Baiamareite

Where it forms, where it's found

Type locality: Săsar Mine
Săsar-Valea Roșie mining area
Baia Mare
Maramureș County
Romania
47.6625°, 23.5386°

1recorded occurrences

Source · OpenStreetMap

Safety & handling

Crystallography

Crystal system: Monoclinic
Cell parameters: a = 8.7150(5) Å · b = 12.737(1) Å · c = 19.350(1) Å
Cell angles: β = 90.062(5) °
Ratio a:b:c: 1 : 1.462 : 2.220
Comment: the space group is P2₁/n

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
82PbLead Lead 12 207.200 2486.400
34.94%
51SbAntimony Antimony 20 121.760 2435.200
34.23%
16SSulfur Sulfur 48 32.060 1538.880
21.63%
47AgSilver Silver 4 107.868 431.472
6.06%
26FeIron Iron 4 55.845 223.380
3.14%
Total 7115.332 100.00%
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
82PbLead	Lead	12	207.200	2486.400	34.94%
51SbAntimony	Antimony	20	121.760	2435.200	34.23%
16SSulfur	Sulfur	48	32.060	1538.880	21.63%
47AgSilver	Silver	4	107.868	431.472	6.06%
26FeIron	Iron	4	55.845	223.380	3.14%
	Total	7115.332	100.00%

Synonyms

Baiamareiet

In other languages

German: Baiamareit · IMA 2023-044

Classification

Strunz

10th ed.

2.JB.40b

2Sulfides and SulfosaltsClass
2.JSulfosalts of PbS archetypeDivision
2.JBGalena derivatives, with PbGroup
2.JB.40bBaiamareiteSpecies

Literature, links & citation

Citations

—Topa, D., Sicher, P., Keutsch, F., Kolitsch, U. and Stanley, C. (2023) Baiamareite, IMA 2023-044. CNMNC Newsletter 75; Mineralogical Magazine, 87, https://doi.org/10.1180/mgm.2023.76

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Baiamareite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/baiamareite-470880},
  note      = {Accessed 2026-05-11}
}