Brunsvigite

(Fe2+,Mg,Al)6(Si,Al)4O10(OH)8
Also known as
  • Brunsvigit
  • Brunsvigita
  • Brunswigit

Where it forms, where it's found

39recorded occurrences
Source · OpenStreetMap

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
26FeIronIron655.845335.070
28.91%
8OOxygenOxygen1815.999287.982
24.84%
13AlAluminiumAluminium1026.982269.820
23.28%
12MgMagnesiumMagnesium624.305145.830
12.58%
14SiSiliconSilicon428.085112.340
9.69%
1HHydrogenHydrogen81.0088.064
0.70%
Total1159.106100.00%

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

From Mindat formula

Synonyms

  • Brunsvigit
  • Brunsvigita
  • Brunswigit

Literature, links & citation

Citations
  1. 1954Hey, Max H. (1954) A new review of the chlorites. Mineralogical Magazine and Journal of the Mineralogical Society, 30 (224) 277-292 doi:10.1180/minmag.1954.030.224.01 DOI: 10.1180/minmag.1954.030.224.01
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Brunsvigite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/brunsvigite-9563},
  note      = {Accessed 2026-05-11}
}