Silver-bearing Pentlandite

Where it forms, where it's found

10recorded occurrences

Source · OpenStreetMap

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
47AgSilver Silver 9 107.868 970.812
42.99%
28NiNickel Nickel 9 58.693 528.237
23.39%
26FeIron Iron 9 55.845 502.605
22.26%
16SSulfur Sulfur 8 32.060 256.480
11.36%
Total 2258.134 100.00%
Mass share = atoms × atomic mass ÷ molar mass × 100
From Mindat formula

Mass composition breakdown
Element	Atoms	At. mass g/mol	Mass g/mol	Mass share
47AgSilver	Silver	9	107.868	970.812	42.99%
28NiNickel	Nickel	9	58.693	528.237	23.39%
26FeIron	Iron	9	55.845	502.605	22.26%
16SSulfur	Sulfur	8	32.060	256.480	11.36%
	Total	2258.134	100.00%

Synonyms

Argentian Pentlandite

Literature, links & citation

Citations

1973Hall, S. R., Stewart, J. M. (1973) The crystal structure of argentian pentlandite (Fe,Ni)₈AgS₈, compared with the refined structure of pentlandite (Fe,Ni)₉S₈. The Canadian Mineralogist, 12 (3) 169-177

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Silver-bearing Pentlandite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/silver-bearing-pentlandite-10986},
  note      = {Accessed 2026-05-11}
}