Allargentum Mineral Data (original) (raw)

General Allargentum Information

Help on Chemical Formula: Chemical Formula:

Ag1-xSbx(x=0.009-0.16)

Help on Composition: Composition:

Molecular Weight = 108.01 gm

Silver 98.87 % Ag

Antimony 1.13 % Sb

______

100.00 %

Help on Empirical Formula: Empirical Formula:

Ag0.99Sb0.01

Help on Environment: Environment:

Found in high-grade silver ores.

Help on IMA Status: IMA Status:

Valid Species (Pre-IMA) 1949

Help on Locality: Locality:

Hi-Ho mine, Cobalt, Ontario, Canada Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named from the Greek for 'another' and the Latin 'argentum'.

Help on Name Pronunciation: Name Pronunciation:

Allargentum + Pronunciation Say ALLARGENTUM

Allargentum Image

Click Here for Larger Allargentum Image in a New Browser Window Images:

Click Here for Larger Allargentum Image Allargentum Comments: Irregular crystalline aggregate grain of allargentum. Location: Shaft 371, Schlema-Hartenstein area, Erzgebirge, Saxony, Germany.Scale: Specimen size 43 mm. © Thomas Witzke / Abraxas-Verlag

Allargentum Crystallography

Help on Axial Ratios: Axial Ratios:

a:c = 1:1.61969

Help on Cell Dimensions: Cell Dimensions:

a = 2.945, c = 4.77, Z = 2; V = 35.83 Den(Calc)= 10.01

Help on Crystal System: Crystal System:

Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 2.37(1), 2.252(0.6), 2.548(0.4),

Click Here for Large Allargentum Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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Help on Above

| | Petruk W , Cabri L J , Harris D C , Stewart J M , Clark L A , The Canadian Mineralogist , 10 (1970) p.163-172, Allargentum, redefined, Locality: Hi-Ho mine, Cobalt, Ontario, Canada | | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Allargentum

Help on Color: Color:

Silver gray.

Help on Density: Density:

10

Help on Diaphaneity: Diaphaneity:

Opaque

Help on Hardness: Hardness:

4 - Fluorite

Help on Luster: Luster:

Metallic

Optical Properties of Allargentum

Help on RL Anisotrophism: RL Anisotrophism:

Weak.

Help on Reflectivity Reflectivity

Standardized Intensity (100%) Reflection Spectra of Allargentum in Air

λ R1 R 2 ∑ R1(λ) ∑ R2(λ)
400 nm 67.00 68.80
420 nm 66.50 68.20
440 nm 66.00 67.60
460 nm 65.90 67.30
480 nm 67.10 68.60
500 nm 67.40 68.70
520 nm 68.90 70.40
540 nm 69.50 70.90
560 nm 70.20 71.60
580 nm 70.50 71.80
600 nm 71.00 72.30
620 nm 71.70 73.00
640 nm 72.10 73.40
660 nm 72.60 73.90
680 nm 73.10 74.30
700 nm 73.80 74.90

Calculated Relative Intensity Colors of Allargentum in Air

RelativeIntensity 0% 20% 40% 60% 80% 100% 120% 140%
R1
R2

Calculated Properties of Allargentum

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=8.72 gm/cc
note: Specific Gravity of Allargentum =10.0 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0
Boson Index = 1

Help on Photoelectric: Photoelectric:

PEAllargentum = 262.48 barns/electron
U=PEAllargentum x rElectron Density=2,288.64 barns/cc.

Help on Radioactivity: Radioactivity:

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

Allargentum Classification

Help on Dana Class: Dana Class:

02.02.01.02 (02)Sulfides - Including Selenides and Tellurides

(02.02)where Am Bn Xp, with (m+n):p=3:1

(02.02.01)Dyscrasite Group

02.02.01.01 Dyscrasite Ag3Sb Pm2m mm2

02.02.01.02 Allargentum Ag1-xSbx(x=0.009-0.16) P 63/mmc 6/m 2/m 2/m

Help on Strunz Class: Strunz Class:

02.AA.30 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.A - Simple Sulfides, Selenides, etc

02.AA -Alloys of metalloids with Cu, Ag, Sn, Au

02.AA.30 Allargentum Ag1-xSbx(x=0.009-0.16) P 63/mmc 6/m 2/m 2/m

Other Allargentum Information

Help on References: References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

Help on See Also: See Also:

Links to other databases for Allargentum :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Ask about Allargentum here :
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Print or Cut-and-Paste your Allargentum Specimen Label here :

Allargentum

Ag1-xSbx(x=0.009-0.16)
Dana No: 02.02.01.02 Strunz No: 02.AA.30
Locality:

Notes: