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Garavellite Mineral Data
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General Garavellite Information
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 Chemical Formula: |
FeSbBiS4 |
| Composition: |
Molecular Weight = 514.84 gm |
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Iron 10.85 % Fe |
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Bismuth 40.59 % Bi |
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Antimony 23.65 % Sb |
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Sulfur 24.91 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Fe2+SbBiS4 |
| Environment: |
In a hydrothermal copper deposit with disseminated chalcopyrite in siderite gangue. |
| IMA Status: |
Approved IMA 1979 |
| Locality: |
Valle del Frigido, one km east of Massa, northern Tuscany, Italy. Link to MinDat.org Location Data. |
| Name Origin: |
For Professor C.L. Garavelli, Italian mineralogist. |
| Name Pronunciation: |
Garavellite + Pronunciation  |
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Garavellite Crystallography
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| Axial Ratios: |
a:b:c =0.8116:1:0.2663 |
| Cell Dimensions: |
a = 11.439, b = 14.093, c = 3.754, Z = 4; V = 605.18 Den(Calc)= 5.65 |
| Crystal System: |
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pnam |
| X Ray Diffraction: |
By Intensity(I/Io): 2.63(1), 3.12(1), 3.62(1), |
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Physical Properties of Garavellite
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| Color: |
Gray. |
| Density: |
5.64 |
| Diaphaneity: |
Opaque |
| Hardness: |
4 - Fluorite |
| Luster: |
Metallic |
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Optical Properties of Garavellite
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| RL Anisotrophism: |
Strong, in yellowish green to bluish. |
| RL Color: |
Gray with olive-brown tint. |
| RL Pleochroism: |
Distinct. |
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Calculated Properties of Garavellite
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| Electron Density: |
Bulk Density (Electron Density)=4.92 gm/cc
note: Specific Gravity of Garavellite =5.65 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0041685563
Boson Index = 0.9958314437 |
| Photoelectric: |
PEGaravellite = 835.71 barns/electron
U=PEGaravellite x rElectron Density=4,108.76 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Garavellite is Not Radioactive |
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Garavellite Classification
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| Dana Class: |
03.07.09.04 (03)Sulfides - Sulfosalts |
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(03.07)where z/y = 2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.07.09)Galenobismutite Group |
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03.07.09.01 Galenobismutite PbBi2S4 Pnam 2/m 2/m 2/m |
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03.07.09.02 Sakharovaite? (Pb,Fe)(Bi,Sb)2S4 Mono |
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03.07.09.03 Berthierite FeSb2S4 Pnam 2/m 2/m 2/m |
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03.07.09.04 Garavellite FeSbBiS4 Pnam 2/m 2/m 2/m |
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03.07.09.05 Clerite! MnSb2S4 Pnam 2/m 2/m 2/m |
| Strunz Class: |
02.HA.20 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.H - Sulfosalts of SnS Archetype |
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02.HA -With Cu, Ag, Fe (without Pb) |
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02.HA.20 Berthierite FeSb2S4 Pnam 2/m 2/m 2/m |
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02.HA.20 Clerite! MnSb2S4 Pnam 2/m 2/m 2/m |
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02.HA.20 Garavellite FeSbBiS4 Pnam 2/m 2/m 2/m |
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Other Garavellite Information
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Garavellite :
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
15 - WWW-MINCRYST
Search for Garavellite using:
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[WebCrawler]
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Ask about Garavellite here :
Ask-A-Mineralogist from the Mineralogical Society of America
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Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in
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Print or Cut-and-Paste your Garavellite Specimen Label here :
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Garavellite
FeSbBiS4
Dana No: 03.07.09.04 Strunz No: 02.HA.20
Locality:
Notes:
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