Toyohaite Mineral Data

Toyohaite Mineral Data +

General Toyohaite Information

Chemical Formula:

Ag2FeSn3S8

Composition:

Molecular Weight = 884.24 gm

Iron 6.32 % Fe

Silver 24.40 % Ag

Tin 40.28 % Sn

Sulfur 29.01 % S

______

100.00 %

Empirical Formula:

Ag₂Fe²⁺Sn₃S₈

IMA Status:

Approved IMA 1991

Locality:

Link to MinDat.org Location Data.

Synonym:

IMA1989-007

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Toyohaite Crystallography

Axial Ratios:

a:c = 1:1.44694

Cell Dimensions:

a = 7.464, c = 10.8, Z = 2; V = 601.68 Den(Calc)= 4.88

Crystal System:

Tetragonal - DipyramidalH-M Symbol (4/m) Space Group: I 4₁/a

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.21(1), 2.03(0.35), 3.72(0.35),

Physical Properties of Toyohaite

Color:

Gray.

Density:

4.94

Diaphaniety:

Opaque

Hardness:

4 - Fluorite

Luster:

Metallic

Calculated Properties of Toyohaite

Electron Density:

r_electron=4.39 gm/cc
note: r_Toyohaite=4.88 gm/cc.

Fermion Index

Fermion Index = 0.07045
Boson Index = 0.92955

Photoelectric:

PE_Toyohaite= 188.68 barns/electron
U=PE_Toyohaite x r_electron= 828.88 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Toyohaite is Not Radioactive

Toyohaite Classification

Dana Class:

2.10.3.2 (2)Sulfides - Including Selenides and Tellurides

(2.10)where Am Bn Xp, with (m+n):p=3:4

(2.10.3)Dana Group

2.10.3.1 Rhodostannite Cu2FeSn3S8 I 4₁/a 4/m

2.10.3.2 Toyohaite Ag2FeSn3S8 I 4₁/a 4/m

Strunz Class:

II/C.06-160 II - Sulfides and sulphosalts

II/C - Sulfides with metal: sulfur, selenium and tellurium = 1:1

II/C.06 - Stannite group

II/C.06-10 Luzonite Cu3AsS4 I 42m 4 2m

II/C.06-20 Famatinite Cu3SbS4 I 42m 4 2m

II/C.06-30 Permingeatite Cu3SbSe4 I 42m 4 2m

II/C.06-40 Briartite Cu2(Zn,Fe)GeS4 I 42m 4 2m

II/C.06-45 Barquillite! Cu2CdGeS4 I 42m 4 2m

II/C.06-50 Kuramite Cu3SnS4 I 42m 4 2m

II/C.06-60 Stannite Cu2FeSnS4 I 42m 4 2m

II/C.06-70 Ferrokesterite Cu2(Fe,Zn)SnS4 I 42m 4 2m

II/C.06-80 Kesterite Cu2(Zn,Fe)SnS4 I 4 4

II/C.06-90 Cernyite Cu2CdSnS4 I 42m 4 2m

II/C.06-100 Velikite Cu2HgSnS4 I 42m 4 2m

II/C.06-110 Hocartite Ag2FeSnS4 I 42m 4 2m

II/C.06-120 Pirquitasite Ag2ZnSnS4 I 42m 4 2m

II/C.06-130 Sakuraiite (Cu,Zn,Fe,In,Sn)4S4 P 4₃2, P 43m, or P m3m Cubic

II/C.06-140 Petrukite (Cu,Fe,Zn)2(Sn,In)S4 P mn2₁ mm2

II/C.06-150 Rhodostannite Cu2FeSn3S8 I 4₁/a 4/m

II/C.06-160 Toyohaite Ag2FeSn3S8 I 4₁/a 4/m

Other Toyohaite Information

References:

PHYS. PROP.(Am.Min.,Vol.77,p1117,1992)

See Also:

Links to other databases for Toyohaite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris

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Print or Cut-and-Paste your Toyohaite Specimen Label here :

Toyohaite

Ag2FeSn3S8
Dana No: 2.10.3.2 Strunz No: II/C.06-160
Locality:

Notes: