Rudolfhermannite

Where it forms, where it's found

Type locality: Orebody No. 5
Ozernovskoe deposit
Karaginsky District
Koryak Okrug
Kamchatka Krai
Russia
57.5919°, 160.6369°

1recorded occurrences

Source · OpenStreetMap

Crystallography

Crystal system: Hexagonal
Space group: #108
Cell parameters: a = 9.2490(5) Å · c = 7.5688(6) Å

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
52TeTellurium Tellurium 3 127.600 382.800
58.31%
8OOxygen Oxygen 10 15.999 159.990
24.37%
26FeIron Iron 2 55.845 111.690
17.01%
1HHydrogen Hydrogen 2 1.008 2.016
0.31%
Total 656.496 100.00%
Mass share = atoms × atomic mass ÷ molar mass × 100
From IMA formula

Mass composition breakdown
Element	Atoms	At. mass g/mol	Mass g/mol	Mass share
52TeTellurium	Tellurium	3	127.600	382.800	58.31%
8OOxygen	Oxygen	10	15.999	159.990	24.37%
26FeIron	Iron	2	55.845	111.690	17.01%
1HHydrogen	Hydrogen	2	1.008	2.016	0.31%
	Total	656.496	100.00%

Synonyms

IMA2021-099
Rudolfhermanniet

In other languages

German: IMA 2021-099 · Rudolfhermannit

Classification

Strunz

10th ed.

4.JM

4OxidesClass
4.JArsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodatesDivision
4.JMTellurites without additional anions, with H₂OGroup
4.JMRudolfhermanniteSpecies

Literature, links & citation

Citations

2022(2022) Rudolfhermannite. Handbook of Mineralogy. Mineralogical Society of America
2022Miyawaki, Ritsuro, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2022) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 66. European Journal of Mineralogy, 34 (2) 253-257 doi:10.5194/ejm-34-253-2022 DOI: 10.5194/ejm-34-253-2022

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Rudolfhermannite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/rudolfhermannite-55950},
  note      = {Accessed 2026-05-11}
}