Garavellite Mineral Data

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General Garavellite Information

Chemical Formula:

FeSbBiS4

Composition:

Molecular Weight = 514.84 gm

Iron 10.85 % Fe

Bismuth 40.59 % Bi

Antimony 23.65 % Sb

Sulfur 24.91 % S

______

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

Search for Garavellite Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

Garavellite Crystallography

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 - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pnam

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

By Intensity(I/I_o): 2.63(1), 3.12(1), 3.62(1),

Crystal Structure:

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Bindi L , Menchetti S , Mineralogy and Petrology , 85 (2005) p.131-139, Garavellite, FeSbBiS4, from the Caspari mine, North Rhine-Westphalia, Germany:, composition, physical properties and determination of the crystal structure, Locality: Caspari mine, North Rhine-Westphalia, Germany

Physical Properties of Garavellite

Color:

Gray.

Density:

5.64

Diaphaneity:

Opaque

Hardness:

4 - Fluorite

Luster:

Metallic

Optical Properties of Garavellite

RL Anisotrophism:

Strong, in yellowish green to bluish.

RL Color:

Gray with olive-brown tint.

RL Pleochroism:

Distinct.

Calculated Properties of Garavellite

Electron Density:

Bulk Density (Electron Density)=4.92 gm/cc
note: Specific Gravity of Garavellite =5.65 gm/cc.

Fermion Index:

Fermion Index = 0.0041685563
Boson Index = 0.9958314437

Photoelectric:

PE_Garavellite= 835.71 barns/electron
U=PE_Garavellite x rElectron Density=4,108.76 barns/cc.

Radioactivity:

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

Garavellite Classification

Dana Class:

03.07.09.04 (03)Sulfides - Sulfosalts

(03.07)where z/y = 2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals

(03.07.09)Galenobismutite Group

03.07.09.01 Galenobismutite PbBi2S4 Pnam 2/m 2/m 2/m

03.07.09.02 Sakharovaite? (Pb,Fe)(Bi,Sb)2S4 Mono

03.07.09.03 Berthierite FeSb2S4 Pnam 2/m 2/m 2/m

03.07.09.04 Garavellite FeSbBiS4 Pnam 2/m 2/m 2/m

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

02.H - Sulfosalts of SnS Archetype

02.HA -With Cu, Ag, Fe (without Pb)

02.HA.20 Berthierite FeSb2S4 Pnam 2/m 2/m 2/m

02.HA.20 Clerite! MnSb2S4 Pnam 2/m 2/m 2/m

02.HA.20 Garavellite FeSbBiS4 Pnam 2/m 2/m 2/m

Other Garavellite Information

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

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

Garavellite

FeSbBiS4
Dana No: 03.07.09.04 Strunz No: 02.HA.20
Locality:

Notes: