Fengruiite

Where it forms, where it's found

Type locality: Haopinggou Mine
Tieluping ore field
Luoning County
Luoyang
Henan
China
34.1817°, 111.2819°

1recorded occurrences

Source · OpenStreetMap

Crystallography

Crystal system: Trigonal
Space group: P-3m1
Cell parameters: a = 7.6087(9) Å · c = 11.970(2) Å

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
47AgSilver Silver 15 107.868 1618.020
65.54%
16SSulfur Sulfur 9 32.060 288.540
11.69%
52TeTellurium Tellurium 2 127.600 255.200
10.34%
51SbAntimony Antimony 2 121.760 243.520
9.86%
29CuCopper Copper 1 63.546 63.546
2.57%
Total 2468.826 100.00%
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	15	107.868	1618.020	65.54%
16SSulfur	Sulfur	9	32.060	288.540	11.69%
52TeTellurium	Tellurium	2	127.600	255.200	10.34%
51SbAntimony	Antimony	2	121.760	243.520	9.86%
29CuCopper	Copper	1	63.546	63.546	2.57%
	Total	2468.826	100.00%

Synonyms

Fengruiiet
IMA2024-045

In other languages

German: Fengruiit · IMA 2024-045

Classification

Strunz

10th ed.

2.GB.15

2Sulfides and SulfosaltsClass
2.GSulfarsenites, sulfantimonites, sulfbismuthitesDivision
2.GBNeso-sulfarsenites, etc. with additional SGroup
2.GB.15FengruiiteSpecies

Group, growth & confusion

10 members

Literature, links & citation

Citations

2025Bosi, Ferdinando; Hatert, Frédéric; Pasero, Marco; Mills, Stuart J. (2025) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 84. European Journal of Mineralogy, 37 (2). 249-255 doi:10.5194/ejm-37-249-2025 DOI: 10.5194/ejm-37-249-2025

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Fengruiite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/fengruiite-471926},
  note      = {Accessed 2026-05-11}
}