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Toyohaite

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Toyoha mine, Sapporo, Hokkaido Island, Japan
© 2008, J. Weissman

Formula:
Ag
 
2
FeSn
 
3
S
 
8
System:TetragonalColour:Gray-brown
Hardness:4
Name:Named after its discovery locality, Toyoha Mine, Sapporo, Hokkaido, Japan.


Classification of Toyohaite

IMA status:Approved 1989
Strunz 8th edition ID:2/C.06-160
Nickel-Strunz 10th (pending) edition ID:2.DA.10

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
D : Metal Sulfides, M: S = 3 :4 and 2:3
A : M:S = 3:4
Dana 8th edition ID:2.10.3.2

2 : SULFIDES
10 : AmBnXp, with (m+n):p = 3:4
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Type Occurrence of Toyohaite

Type Locality:Toyoha mine, Sapporo, Hokkaido Island, Japan
Place of Conservation of Type Material:Geology Museum (Geological Survey of Japan)
Year of Discovery:1991

Physical Properties of Toyohaite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Gray-brown
Hardness (Mohs):4

Crystallography of Toyohaite

Crystal System:Tetragonal

Chemical Properties of Toyohaite

Formula:
Ag
 
2
FeSn
 
3
S
 
8
Essential elements:Ag, Fe, S, Sn
All elements listed in formula:Ag, Fe, S, Sn
Common Impurities:Cu,Zn,Cd

Relationship of Toyohaite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.DA.05Bornhardtite
Co
2+
 
Co
3+
2
Se
 
4
2.DA.05Carrollite
Cu(Co,Ni)
 
2
S
 
4
2.DA.05Cuproiridsite
(Cu,Fe)Ir
 
2
S
 
4
2.DA.05Cuprorhodsite
(Cu,Fe)Rh
 
2
S
 
4
2.DA.05Daubréelite
Fe
2+
 
Cr
3+
2
S
 
4
2.DA.05Fletcherite
Cu(Ni,Co)
 
2
S
 
4
2.DA.05Florensovite
(Cu,Zn)Cr
 
1.5
Sb
 
0.5
S
 
4
2.DA.05Greigite
Fe
2+
 
Fe
3+
2
S
 
4
2.DA.05Indite
FeIn
 
2
S
 
4
2.DA.05Kalininite
ZnCr
 
2
S
 
4
2.DA.05Linnaeite
Co
2+
 
Co
3+
2
S
 
4
2.DA.05Malanite
Cu(Pt
3+
 
,Ir
3+
 
)
 
2
S
 
4
2.DA.05Polydymite
Ni
2+
 
Ni
3+
2
S
 
4
2.DA.05Siegenite
CoNi
 
2
S
 
4
2.DA.05Trüstedtite
Ni
 
3
Se
 
4
2.DA.05Tyrrellite
Cu(Co
3+
 
,Ni
3+
 
)
 
2
Se
 
4
2.DA.05Violarite
Fe
2+
 
Ni
3+
2
S
 
4
2.DA.05Xingzhongite
(Pb,Cu,Fe)(Ir,Pt,Rh)
 
2
S
 
4
2.DA.05Ferrorhodsite
(Fe,Cu)(Rh,Ir,Pt)
 
2
S
 
4
2.DA.05Cadmoindite
CdIn
 
2
S
 
4
2.DA.10Rhodostannite
Cu
 
2
FeSn
 
3
S
 
8
2.DA.15Brezinaite
Cr
 
3
S
 
4
2.DA.15Heideite
(Fe,Cr)
 
1.15
(Ti,Fe)
 
2
S
 
4
2.Da.15Wilkmanite
Ni
 
3
Se
 
4
2.DA.20Inaglyite
Cu
 
3
Pb(Ir,Pt)
 
8
S
 
16
2.DA.20Konderite
Cu
 
3
Pb(Rh,Pt,Ir)
 
8
S
 
16
2.DA.25Kingstonite
(Rh,Ir,Pt)
 
3
S
 
4

Other Names for Toyohaite

Synonyms:
Ag-RhodostanniteIMA1989-007
Other Languages:
German:Ag-rhodostannit
Toyohait
Russian:Тойохаит
Spanish:Toyohaita

Other Information

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

References for Toyohaite

Reference List:Mineralogical Journal, Japan (1991): 15(5): 222-232.

American Mineralogist (1992): 77: 1117.

New Minerals (1997), New Minerals 1990-1994.

Articles/Blogs about Toyohaite

Internet Links for Toyohaite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Toyohaite in the Natural History Museum (London) online catalogue
  • Toyohaite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
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    Localities for Toyohaite

    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Argentina
     
    • Jujuy
      • Rinconada Department
    		Brodtkorb, "Las Especies Minerales de la Republica Argentina" (2002)
    Japan
     
    • Hokkaido Island
      • Sapporo
    		Min. Jour. (Japan): 15:222-232.
    Mineral and/or Locality
    Google
     
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