Arcubisite Mineral Data (original) (raw)

General Arcubisite Information

Help on Chemical  Formula: Chemical Formula:

Ag6CuBiS4

Help on Composition: Composition:

Molecular Weight = 1,058.03 gm

Iron 0.53 % Fe

Copper 6.01 % Cu

Silver 61.17 % Ag

Bismuth 15.80 % Bi

Tellurium 2.41 % Te

Lead 1.96 % Pb

Sulfur 12.12 % S

______

100.00 %

Help on Empirical Formula: Empirical Formula:

Ag6CuBi0.8Pb0.1Fe2+0.1Te0.2S4

Help on Environment: Environment:

In a cryolite deposit. An inadequately characterized mineral.

Help on IMA Status: IMA Status:

Approved IMA 1976

Help on Locality: Locality:

Ivigtut, Greenland. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for the composition (ARgentum, CUprum, and BISmuth).

Help on Name Pronunciation: Name Pronunciation:

Arcubisite + Pronunciation Say ARCUBISITE

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Arcubisite Crystallography

Help on Crystal System: Crystal System:

OrthorhombicSpace Group: Ortho ?

Physical Properties of Arcubisite

Help on Color: Color:

Steel gray.

Help on Diaphaneity: Diaphaneity:

Opaque

Help on Habit: Habit:

Anhedral Grains - Granular minerals without the expression of crystal shapes

Help on Habit: Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Help on Luster: Luster:

Metallic

Optical Properties of Arcubisite

Help on RL Anisotrophism: RL Anisotrophism:

Distinct in air, strong in oil, cream to bluish green.

Help on RL Color: RL Color:

Light gray with faint olive-brown tint.

Help on Reflectivity Reflectivity

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

λ R1 R 2 R1(λ) R2(λ)
440 nm 33.60 33.40
460 nm 33.50 33.80
480 nm 33.10 33.60
500 nm 32.50 33.90
520 nm 32.10 33.20
540 nm 32.10 33.70
560 nm 31.80 33.70
580 nm 31.40 33.90
600 nm 31.20 33.70
620 nm 31.00 34.10
640 nm 31.00 33.50
660 nm 30.90 33.40

Calculated Relative Intensity Colors of Arcubisite in Air

RelativeIntensity 0% 30% 60% 90% 100% 120% 150% 180% 210% 240% 270% 280%
R1
R2

Calculated Properties of Arcubisite

Help on Fermion Index: Fermion Index:

Fermion Index = 0.0072764702
Boson Index = 0.9927235298

Help on Photoelectric: Photoelectric:

PEArcubisite = 496.85 barns/electron
U=PEArcubisite x rElectron Density= . barns/cc.

Help on Radioactivity: Radioactivity:

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

Arcubisite Classification

Help on  Dana Class: Dana Class:

03.02.06.01 (03)Sulfides - Sulfosalts

(03.02)where z/y = 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals

(03.02.06)Dana Group

03.02.06.01 Arcubisite Ag6CuBiS4 Ortho ? Ortho

03.02.06.02 Fettelite! [Ag6As2S7][Ag10HgAs2S8] C 2 2

Help on  Strunz Class: Strunz Class:

02.LA.40 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.L - Unclassified Sulfosalts

02.LA -Without essential Pb

02.LA.40 Arcubisite Ag6CuBiS4 Ortho ? Ortho

Other Arcubisite Information

Help on References: References:

NAME( Dana8) PHYS. PROP.(AntBidBlaNic1) OPTIC PROP.(AntBidBlaNic1)

Help on See Also: See Also:

Links to other databases for Arcubisite :
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 Arcubisite here :
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Print or Cut-and-Paste your Arcubisite Specimen Label here :

Arcubisite

Ag6CuBiS4
Dana No: 03.02.06.01 Strunz No: 02.LA.40
Locality:

Notes: