[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:2548":3},{"id":4,"longid":5,"guid":6,"name":7,"shortcode_ima":8,"entrytype":9,"entrytype_text":10,"varietyof":11,"synid":11,"polytypeof":11,"groupid":11,"weighting":12,"nolocadd":13,"blacklisted":13,"mindat_formula":14,"mindat_formula_note":11,"ima_formula":15,"elements":16,"sigelements":21,"key_elements":11,"impurities":22,"cim":23,"ima_status":24,"ima_notes":11,"ima_history":11,"approval_year":26,"publication_year":27,"discovery_year":11,"strunz10ed1":28,"strunz10ed2":29,"strunz10ed3":29,"strunz10ed4":30,"dana8ed1":31,"dana8ed2":32,"dana8ed3":33,"dana8ed4":34,"csystem":35,"cclass":36,"spacegroup":37,"spacegroupset":38,"a":39,"b":40,"c":41,"alpha":38,"beta":42,"gamma":38,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":43,"csmetamict":13,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":44,"tlform":45,"hmin":11,"hmax":11,"hardtype":11,"vhnmin":38,"vhnmax":38,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":46,"dmeas":47,"dmeas2":48,"dcalc":49,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":11,"commentluster":11,"diapheny":11,"streak":50,"colour":50,"commentcolor":11,"colors":51,"streak_colors":53,"luminescence":11,"uv":11,"cleavage":54,"cleavagetype":55,"fracturetype":11,"tenacity":11,"commentbreak":11,"opticaltype":56,"opticalsign":57,"opticalalpha":58,"opticalalpha2":59,"opticalalphaerror":11,"opticalbeta":60,"opticalbeta2":38,"opticalbetaerror":11,"opticalgamma":61,"opticalgamma2":62,"opticalgammaerror":11,"opticalomega":38,"opticalomega2":38,"opticalomegaerror":11,"opticalepsilon":38,"opticalepsilon2":38,"opticalepsilonerror":11,"opticaln":38,"opticaln2":38,"opticalnerror":11,"optical2vcalc":38,"optical2vcalc2":38,"optical2vcalcerror":11,"optical2vmeasured":63,"optical2vmeasured2":38,"optical2vmeasurederror":11,"rimin":64,"rimax":65,"opticaldispersion":66,"opticalpleochroism":11,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":11,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":67,"other":68,"industrial":11,"occurrence":69,"otheroccurrence":11,"type_specimen_store":70,"description_short":11,"aboutname":71,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":72,"reviewed_at":11,"variety_of":11,"varieties":73,"group_members":74,"associates":75,"confused_with":76,"type_localities":77,"occurrence_total":84,"citations":85,"images":131,"structures":237,"synonyms":244,"language_names":248,"wikidata_qid":265,"texts":266},2548,"1:1:2548:1","fc63907b-1d9e-42d2-99cb-765b4ee811ba","Makatite","Mkt",0,"mineral",null,915,false,"Na\u003Csub>2\u003C\u002Fsub>Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>·4H\u003Csub>2\u003C\u002Fsub>O","Na\u003Csub>2\u003C\u002Fsub>Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub> · 4H\u003Csub>2\u003C\u002Fsub>O",[17,18,19,20],"Na","Si","O","H",[17,18,19,20],",Ti,Al,Fe,Mg,Ca,K,,","14.1.4",[25],"APPROVED",1969,1970,"9","E","45","74","3","5","2","Monoclinic",5,14,"0","7.388","18.094","9.523","90.64",4,"Thin striated prisms. Typically as spherulites or fibrous radiating acicular aggregates.","White spherulites or radiating acicular aggregates up to 3 mm in diameter. Individual crystals are 0.05-2.0 µm wide and 5-30 µm long. Commonly replacing trona.","Soft.","1.97","2.07","2.05","White",[52],"white",[52],"Parallel to longitudinal axis","Perfect","Biaxial","+","1.472","1.475","1.48","1.487","1.49","70",1.472,1.49,"none","Sharp endothermic peaks are at 80°, 100°, and 185°C (large). Broad endothermic peaks are at 530° and 810°C, and a possible broad exothermic peak at 675°C. The endothermic peaks between 80° and 185°C probably result from the loss of water.","Not water soluble.","Obtained from drill cores at depths of 8-30 meters. In cavities in coarsely crystalline trona, making up to 20% of the rock in places.","National Museum of Natural History, Washington, D.C., USA, 122170, 122171.","From \"emakut\", Masai word for \"soda\", in allusion to the high sodium content of the mineral.","2025-10-14 07:32:54",[],[],[],[],[78],{"id":79,"txt":80,"latitude":81,"longitude":82,"country":83},2233,"Lake Magadi, Kajiado County, Kenya",-1.9090866,36.271856,"Kenya",9,[86,89,93,97,100,105,109,113,117,122,126],{"id":87,"year":27,"html":88,"doi":11},525331,"Sheppard, Richard A., Gude, Arthur J. III, Hay, Richard L. (1970) Makatite, a new hydrous sodium silicate mineral from Lake Magadi, Kenya. \u003Ci>American Mineralogist\u003C\u002Fi>,  55 (3-4) 358-366 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM55\u002FAM55_358.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":90,"year":91,"html":92,"doi":11},16116177,1980,"Khomyakov, A.P., Stepanov, V.I., Bykova, A.V., Naumova, I.S. (1980). Makatite (Na2Si4O9·5H2O) - the first discovery in the USSR. Doklady Academii Nauk SSSR, 255, 971-976. (in Russian)",{"id":94,"year":95,"html":96,"doi":11},16116178,1981,"Khomyakov, A.P., Stepanov, V.I., Bykova, Naumova, I.S. (1981). Makatite, Na2Si4O9•5H2O. Doklady Akademii Nauk SSSR, Earth Sciences Section, 255, 181-185.",{"id":98,"year":95,"html":99,"doi":11},17248904,"Walenta, K., Zwiener, M., Telle, R. (1981) Seltene Mineralien aus dem Nephelinit-Steinbruch am Höwenegg im Hegau: Makatit und Paulingit. \u003Ci>Der Aufschluss\u003C\u002Fi>,  32 (4). 130-134",{"id":101,"year":102,"html":103,"doi":104},110080,1982,"Annehed, H.; Fälth, L.; Lincoln, F. J. (1982) Crystal structure of synthetic makatite Na\u003Csub>2\u003C\u002Fsub>Si\u003Csub>4\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub> · 4H\u003Csub>2\u003C\u002Fsub>O. \u003Ci>Zeitschrift für Kristallographie\u003C\u002Fi>,  159 (1-4). 203-210 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1982.159.14.203'>doi:10.1524\u002Fzkri.1982.159.14.203\u003C\u002Fa>","10.1524\u002Fzkri.1982.159.14.203",{"id":106,"year":107,"html":108,"doi":11},527807,1983,"Dunn, P. J.; Cabri, L. J.; Clark, A. M.; Fleischer, M. (1983) New mineral names. \u003Ci>American Mineralogist\u003C\u002Fi>,  68 (7-8). 849-852 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM68\u002FAM68_849.pdf?reftype=.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":110,"year":111,"html":112,"doi":11},12908384,1990,"Horváth, László, Gault, Robert A. (1990) The Mineralogy of Mont Saint-Hilaire, Quebec. \u003Ci>The Mineralogical Record\u003C\u002Fi>, 21 (4) 281-359",{"id":114,"year":115,"html":116,"doi":11},12909035,1998,"Horváth, László, Gault, Robert A., Tarassoff, Peter, Pfenninger-Horváth, Elsa (1998) Mineralogy of the Saint-Amable Sill, Varennes and Saint-Amable, Quebec. \u003Ci>The Mineralogical Record\u003C\u002Fi>, 29 (2) 83-118",{"id":118,"year":119,"html":120,"doi":121},8321867,1999,"Huang, Yining, Jiang, Zhimei, Schwieger, Wilhelm (1999) A structural investigation of the singly layered silicates, silinaite and makatite, by vibrational spectroscopy. \u003Ci>Canadian Journal of Chemistry\u003C\u002Fi>, 77 (4). 495-501 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1139\u002Fcjc-77-4-495'>doi:10.1139\u002Fcjc-77-4-495\u003C\u002Fa>","10.1139\u002Fcjc-77-4-495",{"id":123,"year":124,"html":125,"doi":11},16965764,2001,"(2001) Makatite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fmakatite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":127,"year":128,"html":129,"doi":130},244500,2014,"Zubkova, N. V., Pekov, I. V., Pushcharovsky, D. Yu. (2014) A review of crystal chemistry of natural silicates of alkaline elements in the light of new structural data. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  78 (2) 253-265 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.2014.078.2.03'>doi:10.1180\u002Fminmag.2014.078.2.03\u003C\u002Fa>","10.1180\u002Fminmag.2014.078.2.03",[132,142,152,160,167,174,181,188,196,206,211,216,223,230],{"id":133,"source_url":134,"license_code":135,"credit_html":136,"title":137,"description":138,"author":139,"original_width":140,"original_height":141},15186,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=34653034","Public domain","Modris Baum, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=34653034\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Makatite-288534.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMakatite\" class=\"extiw\" title=\"en:Makatite\">Makatite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Demix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada\u003C\u002Fdd>\n\u003Cdd>FOV 4.5 x 6.8 mm. Found Sept 2000. MOB coll.\u003C\u002Fdd>\n\u003Cdd>This is a close-up of a specimen from the same finds as \u003Ca href=\"\u002F\u002Fcommons.wikimedia.org\u002Fwiki\u002FFile:Makatite-164563.jpg\" title=\"File:Makatite-164563.jpg\">File:Makatite-164563.jpg\u003C\u002Fa> and \u003Ca href=\"\u002F\u002Fcommons.wikimedia.org\u002Fwiki\u002FFile:Makatite,_Zakharovite,_Natrolite-255464.jpg\" title=\"File:Makatite, Zakharovite, Natrolite-255464.jpg\">File:Makatite, Zakharovite, Natrolite-255464.jpg\u003C\u002Fa>\u003C\u002Fdd>\n\u003Cdd>In this case the makatite is almost entirely fibrous. But it does have a hint of the “sea-green” color seen in some of the larger blades of the other specimens. I posted it to show that makatite can look very similar to fibrous pectolite. Pectolite is actually rare at STA. But almost every “makatite” specimen that I have seen from MSH is actually pectolite. The ones from igneous breccia are particularly insidious. But if your “makatite” isn't from a sodalite xenolith or marble xenolith, it's probably not makatite. (Makatite sometimes fluoresces greenish SW; pectolite pink\u002Fviolet best LW.)\u003C\u002Fdd>\n\u003Cdd>This specimen is from a hydrothermalite and was associated with varennesite, zakharovite, yofortierite, eudialyte, natrolite and sphalerite.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Modris Baum",675,1024,{"id":143,"source_url":144,"license_code":145,"credit_html":146,"title":147,"description":148,"author":149,"original_width":150,"original_height":151},65702,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10164795","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10164795\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Makatite-237501.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMakatite\" class=\"extiw\" title=\"en:Makatite\">Makatite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Aris Quarries (Ariskop Quarry; Railway Quarry), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAris\" class=\"extiw\" title=\"en:Aris\">Aris\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FWindhoek\" class=\"extiw\" title=\"en:Windhoek\">Windhoek\u003C\u002Fa>, Windhoek District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKhomas_Region\" class=\"extiw\" title=\"en:Khomas Region\">Khomas Region\u003C\u002Fa>, Namibia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-7687.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.2 x 2.8 x 1.5 cm.\u003C\u002Fdd>\n\u003Cdd>Makatite is a very rare silicate and this excellent specimen features a large, diverging tuft of scintillating, soft-to-the-touch, fibrous makatite needles nicely set on matrix. The tuft is 1.2 cm across.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",571,600,{"id":153,"source_url":154,"license_code":135,"credit_html":155,"title":156,"description":157,"author":139,"original_width":158,"original_height":159},15187,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=34653104","Modris Baum, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=34653104\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Makatite-164563.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMakatite\" class=\"extiw\" title=\"en:Makatite\">Makatite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality:  Demix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada\u003C\u002Fdd>\n\u003Cdd>FOV 2.2 x 1.6 cm. Found Sept 2000. MOB coll.\u003C\u002Fdd>\n\u003Cdd>This is from a hydrothermalite with abundant varennesite. Other associated minerals included zakharovite, eudialyte group, yofortierite, sphalerite and natrolite. Some natrolite terminations can be seen poking up in the center of the makatite. Some of the makatite appears as sea-green silky laths rather than just fibers. The greenish color is most noticeable in the lower part of the specimen. The ID has been confirmed visually.\u003C\u002Fdd>\n\u003Cdd>This is an older single focus flash photo. It was grossly underexposed so the resulting color (after Photoshop) is too saturated.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",891,653,{"id":161,"source_url":162,"license_code":135,"credit_html":163,"title":164,"description":165,"author":139,"original_width":141,"original_height":166},15188,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=34654933","Modris Baum, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=34654933\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Makatite-449519.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMakatite\" class=\"extiw\" title=\"en:Makatite\">Makatite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Demix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada\u003C\u002Fdd>\n\u003Cdd>FOV ~ 6⅔ x 4⅓ mm. Found Oct 1999. MOB coll.\u003C\u002Fdd>\n\u003Cdd>Makatite sometimes looks fibrous – see e.g. \u003Ca href=\"\u002F\u002Fcommons.wikimedia.org\u002Fwiki\u002FFile:Makatite-288534.jpg\" title=\"File:Makatite-288534.jpg\">File:Makatite-288534.jpg\u003C\u002Fa> But this stuff doesn’t. In fact it has a pretty good cleavage. See \u003Ca href=\"\u002F\u002Fcommons.wikimedia.org\u002Fwiki\u002FFile:Makatite-449521.jpg\" title=\"File:Makatite-449521.jpg\">File:Makatite-449521.jpg\u003C\u002Fa> for more discussion.\u003C\u002Fdd>\n\u003Cdd>It fluoresces weak blue\u002Fwhitish SW and LW. It is associated with calcite (on another part of the specimen) that fluoresces much more strongly.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",698,{"id":168,"source_url":169,"license_code":135,"credit_html":170,"title":171,"description":172,"author":139,"original_width":141,"original_height":173},14982,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=34654934","Modris Baum, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=34654934\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Makatite-449521.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMakatite\" class=\"extiw\" title=\"en:Makatite\">Makatite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Demix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada\u003C\u002Fdd>\n\u003Cdd>FOV ~4⅛ x 5¾ mm. Found Oct 1999. MOB coll. Visually ID by Elsa Pfenninger-Horváth\u003C\u002Fdd>\n\u003Cdd>You can see from this why many MSH pectolite spercimens are labeled “makatite”. But this makatite looks more like somebody poking soft brie with a fork. Despite that appearance, it appears to have a good cleavage and doesn’t really look fibrous like some pectolite. (Makatite does come fibrous\u002Fbladed as well. See \u003Ca href=\"\u002F\u002Fcommons.wikimedia.org\u002Fwiki\u002FFile:Makatite-288534.jpg\" title=\"File:Makatite-288534.jpg\">File:Makatite-288534.jpg\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>This type of makatite fluoresces weak to moderate whitish SW and LW. The stuff that I have from a hydrothermalite does not fluoresce. (The latter was ID by László Horváth – so both IDs should be good.) Interestingly, the brightest fluorescence on the specimen comes from other parts that appear to have just a thin white dusting – perhaps magadiite (or a calcite “smear”).\u003C\u002Fdd>\n\u003Cdd>There is a bit of calcite mixed in, but the actual makatite does not fizz in HCl. If it dissolves, it does so slowly – I got tired of waiting.\u003C\u002Fdd>\n\u003Cdd>This is one of a half dozen similar areas on a specimen ~ 9 x 7 x 4½ cm. It seems to be a miorolitic cavity rather than a hydrothermalite. The only minerals associated are microcline, aegirine, eudialyte, very minor zakharovite and (possibly) magadiite.\u003C\u002Fdd>\n\u003Cdd>From a distance the specimens look as if pigeons have visited them. See \u003Ca href=\"\u002F\u002Fcommons.wikimedia.org\u002Fwiki\u002FFile:Makatite-449517.jpg\" title=\"File:Makatite-449517.jpg\">File:Makatite-449517.jpg\u003C\u002Fa>\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",762,{"id":175,"source_url":176,"license_code":135,"credit_html":177,"title":178,"description":179,"author":139,"original_width":180,"original_height":141},15189,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=34654936","Modris Baum, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=34654936\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Makatite-449517.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMakatite\" class=\"extiw\" title=\"en:Makatite\">Makatite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Demix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada\u003C\u002Fdd>\n\u003Cdd>Size 4½ x 8 x 6 cm. Found Oct 1999. MOB coll.\u003C\u002Fdd>\n\u003Cdd>The white stuff is makatite – not pigeon droppings. As usual, I had no clue what I had found and only took home a few pieces. Many were available.\u003C\u002Fdd>\n\u003Cdd>This is from a miarolitic cavity. It has has a somewhat different appearance from makatite found in the hydrothermalites and fluoresces fairly strong blue\u002Fwhite.\u003C\u002Fdd>\n\u003Cdd>Visual ID by E. Pfenninger-Horváth\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",810,{"id":182,"source_url":183,"license_code":135,"credit_html":184,"title":185,"description":186,"author":139,"original_width":187,"original_height":141},15190,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=34657808","Modris Baum, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=34657808\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Makatite-449518.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMakatite\" class=\"extiw\" title=\"en:Makatite\">Makatite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Demix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada\u003C\u002Fdd>\n\u003Cdd>FOV 5⅔ mm high. Found Oct 1999. MOB coll. Visual ID by E. Pfenninger-Horváth\u003C\u002Fdd>\n\u003Cdd>This one looks a bit like cooked cauliflower. See \u003Ca href=\"\u002F\u002Fcommons.wikimedia.org\u002Fwiki\u002FFile:Makatite-449521.jpg\" title=\"File:Makatite-449521.jpg\">File:Makatite-449521.jpg\u003C\u002Fa> for more info.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",727,{"id":189,"source_url":190,"license_code":145,"credit_html":191,"title":192,"description":193,"author":149,"original_width":194,"original_height":195},15191,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=34657897","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=34657897\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Makatite-352373.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMakatite\" class=\"extiw\" title=\"en:Makatite\">Makatite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Aris Quarries (Ariskop Quarry; Railway Quarry), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAris\" class=\"extiw\" title=\"en:Aris\">Aris\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FWindhoek\" class=\"extiw\" title=\"en:Windhoek\">Windhoek\u003C\u002Fa>, Windhoek District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKhomas_Region\" class=\"extiw\" title=\"en:Khomas Region\">Khomas Region\u003C\u002Fa>, Namibia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-7687.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 7.5 cm x 3.9 cm x 1.7 cm\u003C\u002Fdd>\n\u003Cdd>A very fine 1.6-cm spray of acicular crystals of the rare species Makatite, from finds that started trickling out in the mid 1990s. Still fairly rare, even today, from this unusual phonolite deposit. Ex. Al Ordway Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",772,768,{"id":197,"source_url":198,"license_code":199,"credit_html":200,"title":201,"description":202,"author":203,"original_width":204,"original_height":205},15192,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=157229454","CC BY-SA 4.0","J. Patrick Fischer, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=157229454\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","26603 Makatit 1.jpg","\u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FMakatit\" class=\"extiw\" title=\"de:Makatit\">Makatit\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Fundort: Aris, Namibia\u003C\u002Fdd>\n\u003Cdd>Gewicht: 67,8 g\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","J. Patrick Fischer",4272,2848,{"id":207,"source_url":208,"license_code":145,"credit_html":209,"title":210,"description":193,"author":149,"original_width":141,"original_height":159},65704,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=34657899","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=34657899\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Makatite-352372.jpg",{"id":212,"source_url":213,"license_code":199,"credit_html":214,"title":215,"description":202,"author":203,"original_width":204,"original_height":205},65705,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=157229453","J. Patrick Fischer, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=157229453\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","26603 Makatit 2.jpg",{"id":217,"source_url":218,"license_code":135,"credit_html":219,"title":220,"description":221,"author":139,"original_width":222,"original_height":141},27280,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=34653495","Modris Baum, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=34653495\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Makatite, Zakharovite, Natrolite-255464.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMakatite\" class=\"extiw\" title=\"en:Makatite\">Makatite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FZakharovite\" class=\"extiw\" title=\"en:Zakharovite\">Zakharovite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNatrolite\" class=\"extiw\" title=\"en:Natrolite\">Natrolite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Demix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada\u003C\u002Fdd>\n\u003Cdd>Size ~ 1.7 x 3 cm. Found Sept 2000. MOB coll.\u003C\u002Fdd>\n\u003Cdd>The faintly greenish radiating makatite was associated with (relatively!) abundant varennesite. But on this specimen the orange\u002Fbrown areas are zakharovite, not varennesite. The dark areas in the makatite are terminations of stubby natrolite xls. In other specimens from this find a few dark \"sea green\" blades of makatite are embedded in the paler material.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",693,{"id":224,"source_url":225,"license_code":135,"credit_html":226,"title":227,"description":228,"author":139,"original_width":141,"original_height":229},65703,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=34653235","Modris Baum, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=34653235\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Makatite, Pectolite-457227.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMakatite\" class=\"extiw\" title=\"en:Makatite\">Makatite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPectolite\" class=\"extiw\" title=\"en:Pectolite\">Pectolite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada\u003C\u002Fdd>\n\u003Cdd>Size ~ 2½ x 2½ x 2½ cm. MOB coll.\u003C\u002Fdd>\n\u003Cdd>A not so hot attempt to capture the (LW) UV response. To the naked eye, the makatite response appears strong greenish white SW, less bright LW (this photo). The pectolite is pink\u002Fviolet\u002Fblue (mostly LW). But neither color is as saturated as this photo would lead you to believe. Unfortunately it’s the best I can do. I’m not a UV photographer.\u003C\u002Fdd>\n\u003Cdd>However, my point is this: You would never mistake the UV response of pectolite for that of makatite. Hence UV response may be helpful in distinguishing makatite from pectolite specimens such as \u003Ca rel=\"nofollow\" class=\"external free\" href=\"http:\u002F\u002Fwww.mindat.org\u002Fphoto-449516.html\">http:\u002F\u002Fwww.mindat.org\u002Fphoto-449516.html\u003C\u002Fa> which are often labeled “makatite”. Unfortunately, the UV response of both makatite and pectolite is sometimes weak or non-existent. So the UV test won’t work in such cases.\u003C\u002Fdd>\n\u003Cdd>See \u003Ca rel=\"nofollow\" class=\"external free\" href=\"http:\u002F\u002Fwww.mindat.org\u002Fphoto-449515.html\">http:\u002F\u002Fwww.mindat.org\u002Fphoto-449515.html\u003C\u002Fa> for a detailed description of what the UV response “should” be as well as other info.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",552,{"id":231,"source_url":232,"license_code":135,"credit_html":233,"title":234,"description":235,"author":139,"original_width":141,"original_height":236},27281,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=34657281","Modris Baum, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=34657281\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Makatite, Zakharovite-449520.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMakatite\" class=\"extiw\" title=\"en:Makatite\">Makatite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FZakharovite\" class=\"extiw\" title=\"en:Zakharovite\">Zakharovite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>\u003Ci>Locality:\u003C\u002Fi> Demix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada\u003C\u002Fdd>\n\u003Cdd>\u003Ci>Field of view:\u003C\u002Fi> ~6½ x 4⅓ mm.\u003C\u002Fdd>\n\u003Cdd>\u003Ci>Description:\u003C\u002Fi> Fibrous makatite with a hint of the “sea green” color characteristic of this find associazted with “mustard” – zakharovite. Found Sept 2000. MOB coll. It can be very difficult to distinguish zakharovite from “smectite group” at STA but in this case the “flake size” seems too large for the more powdery smectite. However, even under high magnification I only see a very few xls with hexagonal shape – perhaps wishful thinking. The dark areas in the makatite are natrolite terminations trying to push through. The dark spots in the “mustard” are something else. Close inspection shows rounded red\u002Fbrown blobs. I don’t know what they are. This material is from a hydrothermalite with (relatively) abundant varennesite.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",696,[238],{"id":239,"url":240,"label":241,"formula":242,"spacegroup":243,"year":102},8369,"\u002Fcif\u002F8369.cif","Annehed 1982","Na Si2 O7 H5","P 1 21\u002Fc 1",[245,246,247],"IMA1969-003","Makatiet","Unnamed (MSH UK-66)",[249,253,258,262],{"lang":250,"names":251},"ca",[252],"makatita",{"lang":254,"names":255},"de",[256,257],"IMA 1969-003","Makatit",{"lang":259,"names":260},"eu",[261],"Makatita",{"lang":263,"names":264},"it",[7],"Q3843632",{"history":11,"applications":11}]