Magnesionigerite-6N6S

(Mg,Al,Zn)3(Al,Sn,Fe)8O15(OH)
IMA status
  • Approved
IMA symbol
Mgng-6N6S
Also known as
  • Magnesionigeriet-6N6S
  • Pengzhizhongite-24R
  • Penzhizhongite-24R

Where it forms, where it's found

Type locality
Baiwu mining district
  1. Anhua Co.
  2. Yiyang
  3. Hunan
  4. China
1recorded occurrences
Source · OpenStreetMap

Crystallography

Crystal system
Trigonal
Space group
#99
Cell parameters
a = 5.69 Å · c = 55.12 Å
Z
6

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
50SnTinTin8118.710949.680
42.79%
26FeIronIron855.845446.760
20.13%
13AlAluminiumAluminium1126.982296.802
13.37%
8OOxygenOxygen1615.999255.984
11.53%
30ZnZincZinc365.380196.140
8.84%
12MgMagnesiumMagnesium324.30572.915
3.29%
1HHydrogenHydrogen11.0081.008
0.05%
Total2219.289100.00%

Mass share = atoms × atomic mass ÷ molar mass × 100

From IMA formula

Synonyms

  • Magnesionigeriet-6N6S
  • Pengzhizhongite-24R
  • Penzhizhongite-24R

In other languages

German
Magnesionigerit-6N6S
Italian
Magnesionigerite-6N6S

Classification

Strunz
10th ed.

4.FC.20

  • 4OxidesClass
  • 4.FHydroxides (without V or U)Division
  • 4.FCHydroxides with OH, without H2O; corner-sharing octahedraGroup
  • 4.FC.20Magnesionigerite-6N6SSpecies

Group, growth & confusion

In the same group
1 members

Literature, links & citation

Citations
  1. 1989Chen Jingzhong, Yang Guangming, Pan Zhaolu, Shi Nicun, and Peng Zhizhong (1989): Discovery and study of pengzhizhongite-6H - A new mineral. Acta Mineralogica Sinica 9(1), 20-24 (in Chinese with English abstract).
  2. 1991Jambor, John L., Puziewicz, Jacek (1991) New Mineral Names. American Mineralogist, 76 (9-10) 1728-1735
  3. 2002Armbruster, Thomas (2002) Revised nomenclature of högbomite, nigerite, and taaffeite minerals. European Journal of Mineralogy, 14 (2) 389-395 doi:10.1127/0935-1221/2002/0014-0389DOI: 10.1127/0935-1221/2002/0014-0389
  4. 2003Grice, J. D.; Ferraris, G. (2003) New minerals approved in 2002 and nomenclature modifications approved in 1998-2002 by the Commission on the New Minerals and Mineral Names, International Mineralogical Association. The Canadian Mineralogist, 41 (3). 795-802 doi:10.2113/gscanmin.41.3.795 DOI: 10.2113/gscanmin.41.3.795
  5. 2013Yang, Zhuming, Ding, Kuishou, de Fourestier, Jeffrey, Mao, Qian, Li, He (2013) Fe-rich Li-bearing magnesionigerite-6N6S from Xianghualing tin-polymetallic orefield, Hunan Province, P.R. China. Mineralogy and Petrology, 107 (2) 163-169 doi:10.1007/s00710-012-0247-1DOI: 10.1007/s00710-012-0247-1
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Magnesionigerite-6N6S — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/magnesionigerite-6n6s-11445},
  note      = {Accessed 2026-05-11}
}