Toyohaite
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About Toyohaite
Formula:
Ag1+(Fe2+0.5Sn4+1.5)S4
Colour:
Gray-brown
Lustre:
Metallic
Hardness:
4
Crystal System:
Tetragonal
Member of:
Name:
Named after its discovery locality, Toyoha Mine, Sapporo, Hokkaido, Japan.
Type Locality:
Isostructural with:
Classification of Toyohaite
Approved
IMA status notes:
Redefined by the IMA
Approval year:
1989
First published:
1991
Approval history:
Redefined by IMA as Ag1+(Fe2+0.5Sn4+1.5)S4 Bosi et al. 2018)
2/C.06-160
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
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
2.10.3.2
2 : SULFIDES
10 : AmBnXp, with (m+n):p = 3:4
2 : SULFIDES
10 : AmBnXp, with (m+n):p = 3:4
Physical Properties of Toyohaite
Optical Data of Toyohaite
Anisotropism:
Distinct to strong, greenish gray to reddish brown
Bireflectance:
Very weak
Reflectivity:
480nm | R1=23.5% | R2= 24.3% |
546nm | R1=24.1% | R2= 26.1% |
589nm | R1=24.7% | R2= 26.4% |
650nm | R1=26.5% | R2= 28.3% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 28.3%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Brownish grey
Internal Reflections:
None
Chemical Properties of Toyohaite
Formula:
Ag1+(Fe2+0.5Sn4+1.5)S4
Elements listed:
Common Impurities:
Cu,Zn,Cd
Crystallography of Toyohaite
Crystal System:
Tetragonal
Twinning:
Twinning is recognized under high magnification
Type Occurrence of Toyohaite
General Appearance of Type Material:
Aggregates of small crystals whose individual grain size ranges from 1 to 30 um.
Place of Conservation of Type Material:
Geology Museum (Geological Survey of Japan)
Geological Setting of Type Material:
Silver-lead-zinc deposit in hydrothermally altered volcanic, pyroclastic and sedimentary rocks
Associated Minerals at Type Locality:
Reference:
Yajima, J., Ohta, E., Kanazawa, Y. (1991) Toyohaite, Ag2FeSn3S8, a new mineral. Mineralogical Journal: 15: 222-232.
Synonyms of Toyohaite
Other Language Names for Toyohaite
Relationship of Toyohaite to other Species
Member of:
Other Members of this group:
Carrollite | Cu(Co,Ni)2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Cuproiridsite | (Cu,Fe)Ir2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Cuprokalininite | CuCr2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Fletcherite | Cu(Ni,Co)2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Florensovite | (Cu,Zn)Cr1.5Sb0.5S4 | Iso. m3m (4/m 3 2/m) |
Malanite | Cu1+(Ir3+Pt4+)S4 | Iso. |
Rhodostannite | Cu1+(Fe2+0.5Sn4+1.5)S4 | Tet. 4/m : I41/a |
Common Associates
Associated Minerals Based on Photo Data:
4 photos of Toyohaite associated with Franckeite | Fe2+(Pb,Sn2+)6Sn4+2Sb2S14 |
2 photos of Toyohaite associated with Pirquitasite | Ag2ZnSnS4 |
2 photos of Toyohaite associated with Hocartite-Pirquitasite Series | |
1 photo of Toyohaite associated with Sphalerite | ZnS |
Related Minerals - Nickel-Strunz Grouping
2.DA.05 | Bornhardtite | Co2+Co3+2Se4 | Iso. m3m (4/m 3 2/m) : Fd3m |
2.DA.05 | Carrollite | Cu(Co,Ni)2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
2.DA.05 | Cuproiridsite | (Cu,Fe)Ir2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
2.DA.05 | Cuprorhodsite | (Cu1+0.5Fe3+0.5)Rh3+2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
2.DA.05 | Daubréelite | Fe2+Cr3+2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
2.DA.05 | Fletcherite | Cu(Ni,Co)2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
2.DA.05 | Florensovite | (Cu,Zn)Cr1.5Sb0.5S4 | Iso. m3m (4/m 3 2/m) |
2.DA.05 | Greigite | Fe2+Fe3+2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
2.DA.05 | Indite | FeIn2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
2.DA.05 | Kalininite | ZnCr2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
2.DA.05 | Linnaeite | Co2+Co3+2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
2.DA.05 | Malanite | Cu1+(Ir3+Pt4+)S4 | Iso. |
2.DA.05 | Polydymite | Ni2+Ni3+2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
2.DA.05 | Siegenite | CoNi2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
2.DA.05 | Trüstedtite | Ni3Se4 | Iso. |
2.DA.05 | Tyrrellite | Cu(Co3+,Ni3+)2Se4 | Iso. m3m (4/m 3 2/m) : Fd3m |
2.DA.05 | Violarite | Fe2+Ni3+2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
2.DA.05 | Xingzhongite | Pb2+Ir3+2S4 | Iso. |
2.DA.05 | Ferrorhodsite | (Fe,Cu)(Rh,Ir,Pt)2S4 | Iso. |
2.DA.05 | Cadmoindite | CdIn2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
2.DA.05 | Cuprokalininite | CuCr2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
2.DA.10 | Rhodostannite | Cu1+(Fe2+0.5Sn4+1.5)S4 | Tet. 4/m : I41/a |
2.DA.15 | Brezinaite | Cr3S4 | Mon. 2/m |
2.DA.15 | Heideite | (Fe,Cr)1.15(Ti,Fe)2S4 | Mon. 2/m |
2.DA.20 | Inaglyite | Cu3Pb(Ir,Pt)8S16 | Hex. |
2.DA.20 | Konderite | Cu3Pb(Rh,Pt,Ir)8S16 | Hex. 6/m : P6/m |
2.DA.25 | Kingstonite | (Rh,Ir,Pt)3S4 | Mon. 2/m : B2/m |
Related Minerals - Dana Grouping (8th Ed.)
2.10.3.1 | Rhodostannite | Cu1+(Fe2+0.5Sn4+1.5)S4 | Tet. 4/m : I41/a |
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.
References for Toyohaite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Yajima, J., Ohta, E., Kanazawa, Y. (1991) Toyohaite, Ag2FeSn3S8, a new mineral. Mineralogical Journal: 15: 222-232.
Jambor, J.L., Puziewicz, J. (1992) New mineral names. American Mineralogist: 77: 1116-1121.
New Minerals (1997) New Minerals 1990-1994.
Bosi, F., Biagioni, C., Pasero, M. (2019) Nomenclature and classification of the spinel supergroup. European Journal of Mineralogy: 31: 183-192.
Internet Links for Toyohaite
mindat.org URL:
https://www.mindat.org/min-4004.html
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Localities for Toyohaite
Locality List




All localities listed without proper references should be considered as questionable.
Argentina | |
| Milka K. de Brodtkorb (2002) Las Especies Minerales de la Republica Argentina. Vol. 1 (elements, sulphides and sulphosalts). (Asociacion Mineralogica Argentina) |
Brodtkorb, "Las Especies Minerales de la Republica Argentina" (2002); DE BRODTKORB, Milka K. Precious metaltellurides and other Te-bearing minerals in different paragenesis of Argentina: A review. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp. 365-372. | |
Paar, W.H., Miletich, R., Topa, D., Criddle, A.J., De Brodtkorb, M.K., Amthauer, G., Tippelt, G. (2000) Suredaite, PbSnS3, a new mineral species, from the Pirquitas Ag-Sn deposit, NW-Argentina: mineralogy and crystal structure. American Mineralogist: 85: 1066-1075. | |
Japan (TL) | |
| Min. Jour. (Japan): 15:222-232.; Eijun Ohta (1991) Polymetallic Mineralization at the Toyoha Mine, Hokkaido, Japan. Mining Geology 41:279-295 |
Oploca Vein System, Pirquitas Ag-Sn Deposit, Rinconada Department, Jujuy Province, Argentina