Tamuraite
A valid IMA mineral species
This page is currently not sponsored. Click here to sponsor this page.
About Tamuraite
Nobumichi Tamura
Formula:
Ir5Fe10S16
Colour:
gray to brownish gray
Lustre:
Metallic
Specific Gravity:
6.30 (Calculated)
Crystal System:
Trigonal
Member of:
Name:
The name honors Nobumichi Tamura (b. 1966, Marseille, France), senior scientist at the Advanced Light Source of the Lawrence Berkeley National Laboratory, Berkeley, California.
The Fe analogue of kuvaevite. The element combination may be unique, but is otherwise related to, e.g., ferhodsite, UM1974-11-S:CuFeIrNi, and some other unnamed minerals.
Unique Identifiers
Mindat ID:
55439
Long-form identifier:
mindat:1:1:55439:4
Similar Names
| Damaraite | A valid IMA mineral species | Pb3Cl(OH)O2 |
| Damourite | A variety of Muscovite | KAl2(AlSi3O10)(OH)2 |
| Taimyrite | A valid IMA mineral species | (Pd,Cu,Pt)3Sn |
| Tamarite (of Brooke and Miller) | A synonym of Chalcophyllite | Cu18Al2(SO4)3(AsO4)3(OH)27 · 33H2O |
| Tamarite (of Ford) | A synonym of Taramite Root Name Group |
IMA Classification of Tamuraite
Approved
First published:
2021
Classification of Tamuraite
2.CC.
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.
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 Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Tmu | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Tamuraite
Optical Data of Tamuraite
Anisotropism:
Very weak, gray to light yellow tints
Bireflectance:
Very weak to absent
Colour in reflected light:
Gray to brownish gray
Pleochroism:
Weak
Comments:
nonpleochroic to slightly pleochroic (grayish to light brown tints)
Chemistry of Tamuraite
Mindat Formula:
Ir5Fe10S16
Element Weights:
Elements listed:
Crystallography of Tamuraite
Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
R3m
Setting:
R3m
Cell Parameters:
a = 7.073(1) Å, c = 34.277(8) Å
Ratio:
a:c = 1 : 4.846
Unit Cell V:
1,485.05 ų (Calculated from Unit Cell)
Z:
3
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 5.774 Å | (45) |
| 3.053 Å | (43) |
| 3.011 Å | (100) |
| 2.996 Å | (50) |
| 2.799 Å | (55) |
| 2.495 Å | (38) |
| 1.770 Å | (71) |
| 1.758 Å | (65) |
Type Occurrence of Tamuraite
General Appearance of Type Material:
Droplet-like inclusions, tamuraite is typically intergrown with Rh-rich pentlandite and Ir-bearing members of the laurite–erlichmanite series
Place of Conservation of Type Material:
mineralogical collections of the Central Siberian Geological Museum, Sobolev Institute of Geology and Mineralogy, Akademik Koptyug Avenue no. 3, 630090 Novosibirsk, Russia, catalogue number III-102/2
Geological Setting of Type Material:
placer
Associated Minerals at Type Locality:
Synonyms of Tamuraite
Other Language Names for Tamuraite
Relationship of Tamuraite to other Species
Member of:
Other Members of Kuvaevite Group:
| Ferrotorryweiserite | Rh5Fe10S16 | Trig. 3m (3 2/m) : R3m |
| Kuvaevite | Ir5Ni10S16 | Trig. 3m (3 2/m) : R3m |
| Torryweiserite | Rh5Ni10S16 | Trig. 3m (3 2/m) : R3m |
Common Associates
Associated Minerals Based on Photo Data:
| 1 photo of Tamuraite associated with Pentlandite | (NixFey)Σ9S8 |
Related Minerals - Strunz-mindat Grouping
| 2.CC. | Eliopoulosite | V7S8 |
| 2.CC. | Tilkerodeite | Pd2HgSe3 |
| 2.CC. | UM2007-26-S:CuFeIrNiPtRh | (Ir,Cu,Ni,Pt,Rh,Fe)9S11 |
| 2.CC. | Proxitwelvefoldite | Pd3Ni4Te8 |
| 2.CC. | Ferrotorryweiserite | Rh5Fe10S16 |
| 2.CC. | Crowningshieldite | (Ni0.9Fe0.1)S |
| 2.CC. | Kuvaevite | Ir5Ni10S16 |
| 2.CC. | Torryweiserite | Rh5Ni10S16 |
| 2.CC.05 | Achávalite | FeSe |
| 2.CC.05 | Langisite | CoAs |
| 2.CC.05 | Sederholmite | NiSe |
| 2.CC.05 | Freboldite | CoSe |
| 2.CC.05 | Nickeline | NiAs |
| 2.CC.05 | Sobolevskite | PdBi |
| 2.CC.05 | Jaipurite | CoS |
| 2.CC.05 | Kotulskite | Pd(Te,Bi)2-x (x ≈ 0.4) |
| 2.CC.05 | Zlatogorite | NiCuSb2 |
| 2.CC.05 | Stumpflite | PtSb |
| 2.CC.05 | Sudburyite | PdSb |
| 2.CC.05 | Breithauptite | NiSb |
| 2.CC.10 | Pyrrhotite | Fe1-xS |
| 2.CC.10 | Smythite | (Fe,Ni)3+xS4 (x=0-0.3) |
| 2.CC.10 | Troilite | FeS |
| 2.CC.15 | Ruthenarsenite | (Ru,Ni)As |
| 2.CC.15 | Westerveldite | (Fe,Ni,Co)As |
| 2.CC.15 | Modderite | CoAs |
| 2.CC.15 | Minakawaite | RhSb |
| 2.CC.15 | Cherepanovite | RhAs |
| 2.CC.20 | UM1990-38-S:CuFeIrNiPtRh | (Ni,Fe,Rh,Cu,Ir,Pt)S |
| 2.CC.20 | Millerite | NiS |
| 2.CC.20 | Mäkinenite | NiSe |
| 2.CC.25 | Mackinawite | FeS |
| 2.CC.30 | Vavřínite | Ni2SbTe2 |
| 2.CC.30 | Hexatestibiopanickelite | (Pd,Ni)(Sb,Te) ? |
| 2.CC.35b | Cooperite | PtS |
| 2.CC.35a | Vysotskite | PdS |
| 2.CC.35a | Braggite | PdPt3S4 |
| 2.CC.45 | Jacutingaite | Pt2HgSe3 |
| 2.CC.50 | Imgreite | NiTe (?) |
Other Information
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 Tamuraite
mindat.org URL:
https://www.mindat.org/min-55439.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Tamuraite
Reference List:
Miyawaki, Ritsuro, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2021) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 61. European Journal of Mineralogy, 33 (3) 299-304 doi:10.5194/ejm-33-299-2021
Localities for Tamuraite
symbol to view information about a locality.
The Locality List
- 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).
All localities listed without proper references should be considered as questionable.
Russia | |
| Barkov et al. (2023) |
| Barkov et al. (2021) |
Sisim Placer Zone, Lysanskiy dunite-peridotite-gabbro complex, Krasnoyarsk Krai, Russia