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Arcubisite Mineral Data
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General Arcubisite Information
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 Chemical Formula: |
Ag6CuBiS4 |
| Composition: |
Molecular Weight = 1,058.03 gm |
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Iron 0.53 % Fe |
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Copper 6.01 % Cu |
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Silver 61.17 % Ag |
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Bismuth 15.80 % Bi |
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Tellurium 2.41 % Te |
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Lead 1.96 % Pb |
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Sulfur 12.12 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Ag6CuBi0.8Pb0.1Fe2+0.1Te0.2S4 |
| Environment: |
In a cryolite deposit. An inadequately characterized mineral. |
| IMA Status: |
Approved IMA 1976 |
| Locality: |
Ivigtut, Greenland. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the composition (ARgentum, CUprum, and BISmuth). |
| Name Pronunciation: |
Arcubisite + Pronunciation  |
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Arcubisite Crystallography
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| Crystal System: |
Orthorhombic Space Group: Ortho ? |
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Physical Properties of Arcubisite
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| Color: |
Steel gray. |
| Diaphaneity: |
Opaque |
| Habit: |
Anhedral Grains - Granular minerals without the expression of crystal shapes |
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
| Luster: |
Metallic |
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Optical Properties of Arcubisite
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| RL Anisotrophism: |
Distinct in air, strong in oil, cream to bluish green. |
| RL Color: |
Light gray with faint olive-brown tint. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Arcubisite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 440 nm |
33.60 |
33.40 |
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| 460 nm |
33.50 |
33.80 |
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| 480 nm |
33.10 |
33.60 |
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| 500 nm |
32.50 |
33.90 |
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| 520 nm |
32.10 |
33.20 |
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| 540 nm |
32.10 |
33.70 |
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| 560 nm |
31.80 |
33.70 |
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| 580 nm |
31.40 |
33.90 |
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| 600 nm |
31.20 |
33.70 |
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| 620 nm |
31.00 |
34.10 |
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| 640 nm |
31.00 |
33.50 |
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| 660 nm |
30.90 |
33.40 |
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Calculated Relative Intensity Colors of Arcubisite in Air
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
240% |
270% |
280% |
| R1 |
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| R2 |
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Calculated Properties of Arcubisite
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| Fermion Index: |
Fermion Index = 0.0072764702
Boson Index = 0.9927235298 |
| Photoelectric: |
PEArcubisite = 496.85 barns/electron
U=PEArcubisite x rElectron Density= . barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Arcubisite is Not Radioactive |
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Arcubisite Classification
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| Dana Class: |
03.02.06.01 (03)Sulfides - Sulfosalts |
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(03.02)where z/y = 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.02.06)Dana Group |
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03.02.06.01 Arcubisite Ag6CuBiS4 Ortho ? Ortho |
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03.02.06.02 Fettelite! [Ag6As2S7][Ag10HgAs2S8] C 2 2 |
| Strunz Class: |
02.LA.40 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.L - Unclassified Sulfosalts |
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02.LA -Without essential Pb |
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02.LA.40 Arcubisite Ag6CuBiS4 Ortho ? Ortho |
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Other Arcubisite Information
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| References: |
NAME( Dana8) PHYS. PROP.(AntBidBlaNic1) OPTIC PROP.(AntBidBlaNic1) |
| 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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Print or Cut-and-Paste your Arcubisite Specimen Label here :
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Arcubisite
Ag6CuBiS4
Dana No: 03.02.06.01 Strunz No: 02.LA.40
Locality:
Notes:
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