Ferrimuirite

Where it forms, where it's found

Type locality: Gun claim
Wilson Lake
Itsi Mountain
Watson Lake mining district
Yukon
Canada
62.8472°, -130.0142°

1recorded occurrences

Source · OpenStreetMap

Crystallography

Crystal system: Tetragonal
Space group: #163
Cell parameters: a = 13.98983(8) Å · c = 5.58187(6) Å

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
56BaBarium Barium 10 137.327 1373.270
53.64%
8OOxygen Oxygen 26 15.999 415.974
16.25%
17ClChlorine Chlorine 10 35.450 354.500
13.85%
14SiSilicon Silicon 8 28.085 224.680
8.77%
26FeIron Iron 2 55.845 111.690
4.36%
20CaCalcium Calcium 2 40.078 80.156
3.13%
Total 2560.270 100.00%
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
56BaBarium	Barium	10	137.327	1373.270	53.64%
8OOxygen	Oxygen	26	15.999	415.974	16.25%
17ClChlorine	Chlorine	10	35.450	354.500	13.85%
14SiSilicon	Silicon	8	28.085	224.680	8.77%
26FeIron	Iron	2	55.845	111.690	4.36%
20CaCalcium	Calcium	2	40.078	80.156	3.13%
	Total	2560.270	100.00%

Synonyms

Ferrimuiriet

In other languages

German: Ferrimuirit

Classification

Strunz

10th ed.

9.CN.05

9SilicatesClass
9.CCyclosilicatesDivision
9.CN[Si₈O₂₄]₁₆- 8-membered ringsGroup
9.CN.05FerrimuiriteSpecies

Literature, links & citation

Citations

2024Bosi, Ferdinando, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2024) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 77. European Journal of Mineralogy, 36 (1). 165-172 doi:10.5194/ejm-36-165-2024DOI: 10.5194/ejm-36-165-2024

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Ferrimuirite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/ferrimuirite-470986},
  note      = {Accessed 2026-05-11}
}