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Minakawaite

A valid IMA mineral species
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06565790017272473239765.jpg
Minakawaite, etc.

Haraigawa, Misato, Shimomashiki District, Kumamoto Prefecture, Japan
06565790017272473239765.jpg
Minakawaite, etc.

Haraigawa, Misato, Shimomashiki District, Kumamoto Prefecture, Japan
07251730017272359749898.jpg
Minakawaite, etc.

Haraigawa, Misato, Shimomashiki District, Kumamoto Prefecture, Japan
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About MinakawaiteHide

Formula:
RhSb
Colour:
rose gray
Lustre:
Metallic
Specific Gravity:
10.04 (Calculated)
Crystal System:
Orthorhombic
Name:
Japanese mineralogist, Prof. Tetsuo Minakawa (b. 1950) of Ehime University for his outstanding contribution to descriptive mineralogy from Kyushu and Shikoku, Japan.
Unique combination of elements (among the accepted and named mineral species). The Sb analogue of cherepanovite.

Probably identical to UM1979-19-Sb:Rh.


Unique IdentifiersHide

Mindat ID:
53687
Long-form identifier:
mindat:1:1:53687:5

IMA Classification of MinakawaiteHide

Classification of MinakawaiteHide

Strunz-mindat (2026):
2.CC.15

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
C : Metal Sulfides, M: S = 1: 1 (and similar)
C : With Ni, Fe, Co, PGE, etc.

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference for Standard
MkaIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of MinakawaiteHide

Lustre:
Metallic
Transparency:
Opaque
Colour:
Rose gray
Density:
10.04 g/cm3 (Calculated)

Optical Data of MinakawaiteHide

Anisotropism:
moderate as reddish gray to bluish gray
Colour in reflected light:
pale gray
Pleochroism:
Weak
Comments:
pinkish pale gray to bluish pale gray

Chemistry of MinakawaiteHide

Mindat Formula:
RhSb
Element Weights:
Element% weight
Sb54.196 %
Rh45.804 %

Calculated from ideal end-member formula.
Elements listed:
Rh, Sb - search for minerals with similar chemistry

Crystallography of MinakawaiteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm(2/m2/m2/m) - Dipyramidal
Space Group:
Pnma
Setting:
Pnma
Cell Parameters:
a = 5.934(7) Å, b = 3.848(3) Å, c = 6.305(4) Å
Ratio:
a:b:c = 1.542 : 1 : 1.639
Unit Cell V:
143.97 ų (Calculated from Unit Cell)
Z:
4

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
High-? alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Type Occurrence of MinakawaiteHide

Synonyms of MinakawaiteHide

Other Language Names for MinakawaiteHide

Common AssociatesHide

Associations Based on Photo Data:
1 photo of Minakawaite associated with ErlichmaniteOsS2
1 photo of Minakawaite associated with TulameenitePt2CuFe

Related Minerals - Strunz-mindat GroupingHide

2.CC.EliopoulositeV7S8Trig. 32 : P3221
2.CC.TilkerodeitePd2HgSe3Trig. 3m(32/m) : P3m1
2.CC.'UM2007-26-S:CuFeIrNiPtRh'(Ir,Cu,Ni,Pt,Rh,Fe)9S11
2.CC.Proxitwelvefoldite Pd3Ni4Te8Tet. 4/mmm(4/m2/m2/m) : P42/mnm
2.CC.FerrotorryweiseriteRh5Fe10S16Trig. 3m(32/m) : R3m
2.CC.TamuraiteIr5Fe10S16Trig. 3m(32/m) : R3m
2.CC.Crowningshieldite(Ni0.9Fe0.1)SHex. 6/mmm(6/m2/m2/m) : P63/mmc
2.CC.KuvaeviteIr5Ni10S16Trig. 3m(32/m) : R3m
2.CC.TorryweiseriteRh5Ni10S16Trig. 3m(32/m) : R3m
2.CC.05AchávaliteFeSeHex. 6/mmm(6/m2/m2/m) : P63/mmc
2.CC.05LangisiteCoAsHex. 6 : P63
2.CC.05SederholmiteNiSeHex. 6/mmm(6/m2/m2/m) : P63/mmc
2.CC.05FrebolditeCoSeHex. 6/mmm(6/m2/m2/m) : P63/mmc
2.CC.05NickelineNiAsHex. 6/mmm(6/m2/m2/m) : P63/mcm
2.CC.05SobolevskitePdBiHex.
2.CC.05JaipuriteCoSHex.
2.CC.05KotulskitePd(Te,Bi)2-x (x ≈ 0.4)Hex.
2.CC.05ZlatogoriteNiCuSb2Trig. 3m(32/m) : P31m
2.CC.05StumpflitePtSbHex. 6/mmm(6/m2/m2/m) : P63/mmc
2.CC.05SudburyitePdSbHex. 6/mmm(6/m2/m2/m) : P63/mmc
2.CC.05BreithauptiteNiSbHex. 6/mmm(6/m2/m2/m) : P63/mmc
2.CC.10PyrrhotiteFe1-xSMon.
2.CC.10Smythite(Fe,Ni)3+xS4 (x=0-0.3)Trig. 3m(32/m) : R3m
2.CC.10TroiliteFeSHex. 6/mmm(6/m2/m2/m) : P63/mmc
2.CC.15Ruthenarsenite(Ru,Ni)AsOrth. mmm(2/m2/m2/m) : Pnma
2.CC.15Westerveldite(Fe,Ni,Co)AsOrth. mmm(2/m2/m2/m)
2.CC.15ModderiteCoAsOrth. mmm(2/m2/m2/m)
2.CC.15CherepanoviteRhAsOrth. mmm(2/m2/m2/m) : Pnma
2.CC.20'UM1990-38-S:CuFeIrNiPtRh'(Ni,Fe,Rh,Cu,Ir,Pt)S
2.CC.20MilleriteNiSTrig. 3m : R3m
2.CC.20MäkineniteNiSeTrig. 3m
2.CC.25MackinawiteFeSTet. 4/mmm(4/m2/m2/m) : P4/nmm
2.CC.30VavříniteNi2SbTe2Hex. 6/mmm(6/m2/m2/m) : P63/mmc
2.CC.30'Hexatestibiopanickelite'(Pd,Ni)(Sb,Te) ?Hex.
2.CC.35bCooperitePtSTet. 4/mmm(4/m2/m2/m) : P42/mmc
2.CC.35aVysotskitePdSTet. 4/m : P42/m
2.CC.35aBraggitePdPt3S4Tet. 4/m : P42/m
2.CC.45JacutingaitePt2HgSe3Trig. 3m(32/m) : P3m1
2.CC.50'Imgreite'NiTe (?)Hex.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for MinakawaiteHide

References for MinakawaiteHide

Localities for MinakawaiteHide

Showing 3 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Japan
 
  • Hokkaidō Prefecture
    • Rumoi Subprefecture
      • Tomamae District
        • Tomamae
NISHIO–HAMANE et al. (2022)
  • Kumamoto Prefecture
    • Shimomashiki District
      • Misato
Miyawaki et al. (2019) +2 other references
Saudi Arabia
 
  • Medina Region
12 (12) +1 other reference
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