Hinokageite

Where it forms, where it's found

Type locality: Shimozuru mine
Hinokage
Nishiusuki District
Miyazaki Prefecture
Japan
32.7378°, 131.4122°

1recorded occurrences

Source · OpenStreetMap

Crystallography

Crystal system: Orthorhombic
Cell parameters: a = 4.8219(2) Å · b = 10.5480(5) Å · c = 6.1655(2) Å
Ratio a:b:c: 1 : 2.188 : 1.279
Comment: space group Pbnm

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
8OOxygen Oxygen 4 15.999 63.996
37.35%
25MnManganese Manganese 1 54.938 54.938
32.07%
14SiSilicon Silicon 1 28.085 28.085
16.39%
12MgMagnesium Magnesium 1 24.305 24.305
14.19%
Total 171.324 100.00%
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
8OOxygen	Oxygen	4	15.999	63.996	37.35%
25MnManganese	Manganese	1	54.938	54.938	32.07%
14SiSilicon	Silicon	1	28.085	28.085	16.39%
12MgMagnesium	Magnesium	1	24.305	24.305	14.19%
	Total	171.324	100.00%

Synonyms

Hinokageiet

In other languages

German: Hinokageit

Classification

Strunz

10th ed.

9.AC.05

9SilicatesClass
9.ANesosilicatesDivision
9.ACNesosilicates without additional anions; cations in octahedral [6] coordinationGroup
9.AC.05HinokageiteSpecies

Group, growth & confusion

9 members

Literature, links & citation

Citations

—Nishio-Hamane, D., Nagashima, M., Mori, Y., Ohnishi, M., Tanaka, T., Imai, H. and Fukumoto, T. (2025) Hinokageite, IMA 2024-093a. CNMNC Newsletter 87, Mineralogical Magazine, 89, https://doi.org/......

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Hinokageite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/hinokageite-494666},
  note      = {Accessed 2026-05-11}
}