[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:7998":3},{"id":4,"longid":5,"guid":6,"name":7,"shortcode_ima":8,"entrytype":9,"entrytype_text":10,"varietyof":11,"synid":8,"polytypeof":8,"groupid":8,"weighting":12,"nolocadd":13,"blacklisted":13,"mindat_formula":14,"mindat_formula_note":8,"ima_formula":8,"elements":15,"sigelements":19,"key_elements":8,"impurities":8,"cim":8,"ima_status":8,"ima_notes":8,"ima_history":8,"approval_year":8,"publication_year":8,"discovery_year":8,"strunz10ed1":20,"strunz10ed2":20,"strunz10ed3":20,"strunz10ed4":8,"dana8ed1":20,"dana8ed2":20,"dana8ed3":20,"dana8ed4":20,"csystem":8,"cclass":8,"spacegroup":8,"spacegroupset":20,"a":8,"b":8,"c":8,"alpha":8,"beta":8,"gamma":8,"aerror":8,"berror":8,"cerror":8,"alphaerror":8,"betaerror":8,"gammaerror":8,"va3":8,"z":8,"csmetamict":13,"commentcrystal":8,"twinning":8,"tranglide":8,"parting":8,"epitaxidescription":8,"morphology":8,"tlform":8,"hmin":8,"hmax":8,"hardtype":8,"vhnmin":20,"vhnmax":20,"vhnerror":8,"vhng":8,"vhns":8,"commenthard":8,"dmeas":20,"dmeas2":20,"dcalc":20,"dmeaserror":8,"dcalcerror":8,"commentdense":8,"lustre":8,"lustretype":8,"commentluster":8,"diapheny":8,"streak":8,"colour":8,"commentcolor":8,"colors":8,"streak_colors":8,"luminescence":8,"uv":8,"cleavage":8,"cleavagetype":8,"fracturetype":8,"tenacity":8,"commentbreak":8,"opticaltype":8,"opticalsign":8,"opticalalpha":8,"opticalalpha2":20,"opticalalphaerror":8,"opticalbeta":8,"opticalbeta2":20,"opticalbetaerror":8,"opticalgamma":8,"opticalgamma2":20,"opticalgammaerror":8,"opticalomega":8,"opticalomega2":20,"opticalomegaerror":8,"opticalepsilon":8,"opticalepsilon2":20,"opticalepsilonerror":8,"opticaln":8,"opticaln2":8,"opticalnerror":8,"optical2vcalc":8,"optical2vcalc2":8,"optical2vcalcerror":8,"optical2vmeasured":8,"optical2vmeasured2":8,"optical2vmeasurederror":8,"rimin":8,"rimax":8,"opticaldispersion":8,"opticalpleochroism":8,"opticalpleochorismdesc":8,"opticalbirefringence":8,"opticalcomments":8,"opticalcolour":8,"opticalinternal":8,"opticaltropic":8,"opticalanisotropism":8,"opticalbireflectance":8,"opticalextinction":8,"opticalr":8,"specdispm":8,"ir":8,"electrical":8,"magnetism":8,"thermalbehaviour":8,"other":8,"industrial":8,"occurrence":8,"otheroccurrence":8,"type_specimen_store":8,"description_short":8,"aboutname":21,"rock_parent":8,"rock_parent2":8,"rock_root":22,"rock_bgs_code":8,"meteoritical_code":8,"updttime":23,"reviewed_at":8,"variety_of":24,"varieties":29,"group_members":30,"associates":31,"confused_with":32,"type_localities":33,"occurrence_total":34,"citations":35,"images":54,"structures":55,"synonyms":56,"language_names":59,"wikidata_qid":8,"texts":60},7998,"1:1:7998:9","62c53f9d-19a8-4903-994b-8b57bb5c0e8c","Black Opal",null,2,"variety",6666,668,false,"SiO\u003Csub>2\u003C\u002Fsub>&middot;nH\u003Csub>2\u003C\u002Fsub>O",[16,17,18],"Si","O","H",[16,17,18],"0","The origin of the word \"opal\" is uncertain. It may be from the Sanskrit \"upala\", meaning \"stone\" or \"precious stone\" or from opalus, the ancient Latin name for the gem (Pliny the Elder, 75-79). Pliny may have also referred to the gem as paederos, but a modern commentary by Kostov (2008) questions if that name was actually applied to the opal in the modern sense.",0,"2025-08-11 12:14:29",{"id":11,"name":25,"entrytype":9,"csystem":8,"ima_formula":8,"mindat_formula":14,"hmin":26,"hmax":27,"dmeas":20,"dcalc":20,"strunz10ed1":20,"primary_image_id":28},"Precious Opal",5.5,6.5,75294,[],[],[],[],[],41,[36,41,46,50],{"id":37,"year":38,"html":39,"doi":40},565312,1971,"Jones, J. B., Segnit, E. R. (1971) The nature of opal I. nomenclature and constituent phases. \u003Ci>Journal of the Geological Society of Australia\u003C\u002Fi>,  18 (1) 57-68 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1080\u002F00167617108728743'>doi:10.1080\u002F00167617108728743\u003C\u002Fa>","10.1080\u002F00167617108728743",{"id":42,"year":43,"html":44,"doi":45},3235954,1994,"Elzea, J.M., Odom, I.E., Miles, W.J. (1994) Distinguishing well ordered opal-CT and opal-C from high temperature cristobalite by x-ray diffraction. \u003Ci>Analytica Chimica Acta\u003C\u002Fi>, 286 (1). 107-116 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002F0003-2670(94)80182-7'>doi:10.1016\u002F0003-2670(94)80182-7\u003C\u002Fa>","10.1016\u002F0003-2670(94)80182-7",{"id":47,"year":48,"html":49,"doi":8},16129728,1996,"Lapis Extra No. 10, Opal (1996).",{"id":51,"year":52,"html":53,"doi":8},16119011,2008,"Kostov, Rusian I. (2008) Orphic Lithica As A Source Of Late Antiquity Mineralogical Knowledge. \u003Ci>Annual Of The University Of Mining And Geology “ST. Ivan Rilski”\u003C\u002Fi>,  51 (1) 109-115",[],[],[57,58],"Dark Opal","Lightning Ridge Opal",[],{"history":8,"applications":8}]