Cuboargyrite Mineral Data

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General Cuboargyrite Information

Chemical Formula:

AgSbS

Composition:

Molecular Weight = 261.68 gm

Silver 41.22 % Ag

Antimony 46.53 % Sb

Sulfur 12.25 % S

______

100.00 %

Empirical Formula:

AgSbS

Environment:

Found in a hydrothermal quartz-arsenopyrite assemblage. A polymorph of miargyrite.

IMA Status:

Approved IMA 1998 (Dana # Added)

Locality:

Baberast, near Haslach, Central Black Forest, Germany. Link to MinDat.org Location Data.

Name Origin:

The name alludes to the polymorphic relationship with miargyrite.

Synonym:

IMA1997-004

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Cuboargyrite Crystallography

Cell Dimensions:

a = 5.65, Z = 2; V = 180.36 Den(Calc)= 4.82

Crystal System:

Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: F m3m

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

By Intensity(I/I_o): 2.83(1), 3.26(0.9), 1.998(0.8),

Physical Properties of Cuboargyrite

Cleavage:

None

Color:

Grayish black.

Density:

5.33

Diaphaneity:

Opaque

Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Habit:

Anhedral Grains - Granular minerals without the expression of crystal shapes

Hardness:

3 - Calcite

Luster:

Metallic

Streak:

black

Optical Properties of Cuboargyrite

RL Color:

Gray.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Cuboargyrite in Air**
λ	R	∑ R(λ)
470 nm	35.18
546 nm	34.88
589 nm	34.72
650 nm	34.26

**Calculated Relative Intensity Colors of Cuboargyrite in Air**
Relative Intensity	0%	30%	60%	90%	100%	120%	150%	180%	210%	240%	260%
R

Calculated Properties of Cuboargyrite

Electron Density:

Bulk Density (Electron Density)=4.20 gm/cc
note: Specific Gravity of Cuboargyrite =4.82 gm/cc.

Fermion Index:

Fermion Index = 0.0009190276
Boson Index = 0.9990809724

Photoelectric:

PE_Cuboargyrite= 265.56 barns/electron
U=PE_Cuboargyrite x rElectron Density=1,115.24 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cuboargyrite is Not Radioactive

Cuboargyrite Classification

Dana Class:

03.09.02.01 (03)Sulfides - Sulfosalts

(03.09)where z/y = 1 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals

(03.09.02)Dana Group

03.09.02.01 Cuboargyrite! AgSbS F m3m 4/m 3 2/m

Strunz Class:

02.JA.15 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.J - Sulfosalts of PbS Archetype

02.JA -Galena derivatives with little or no Pb

02.JA.15 Cuboargyrite! AgSbS F m3m 4/m 3 2/m

02.JA.15 Schapbachite! AgBiS2 F m3m 4/m 3 2/m

Other Cuboargyrite Information

References:

NAME( AmMin, Vol 84, 7-8) PHYS. PROP.(AmMin, Vol. 84, No. 7-8) OPTIC PROP.(AmMin, Vol. 84, p 1196)

See Also:

Links to other databases for Cuboargyrite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - Handbook of Mineralogy (MinSocAm)
6 - Handbook of Mineralogy (UofA)
7 - MinDAT
8 - MinMax(Deutsch)
9 - MinMax(English)
10 - Mineralienatlas (Deutsch)
11 - QUT Mineral Atlas
12 - Ruff.Info

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

Cuboargyrite

AgSbS
Dana No: 03.09.02.01 Strunz No: 02.JA.15
Locality:

Notes: