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General Marrucciite Information |
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 Chemical Formula: |
Hg3Pb16Sb18S46 | ||
| Composition: |
Molecular Weight = 7,534.96 gm | ||
| Copper 0.18 % Cu | |||
| Mercury 7.93 % Hg | |||
| Antimony 29.80 % Sb | |||
| Lead 42.51 % Pb | |||
| Sulfur 19.52 % S | |||
| Chlorine 0.06 % Cl | |||
| ______ | |||
| 100.00 % | |||
| Empirical Formula: |
Cu0.21Hg2.98Pb15.46Sb18.44S45.87Cl0.13 | ||
| Environment: |
Found in the latest hydrothermal stage, within small veinlets crosscutting dolomitic lenses interstratified in Ba-Fe ore. Sulphosalt. | ||
| IMA Status: |
Approved IMA 2006 - (Dana # Added) | ||
| Locality: |
Buca della Vena deposit, Tuscany, Italy. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for Angelo Marrucci (1956-2003), a mineral collector in recognition for his contributions to the mineralogy of Tuscany. | ||
| Synonym: |
Gelnicaite | ||
| Gelnicite | |||
| IMA2006-015 | |||
Marrucciite Image | |||
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Images:
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Marrucciite Crystallography |
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| Axial Ratios: |
a:b:c =11.7367:1:5.843 | ||
| Cell Dimensions: |
a = 48.32, b = 4.117, c = 24.056, Z = 2; beta = 118.84° V = 4,191.99 Den(Calc)= 5.97 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.994(1), 3.418(0.88), 3.48(0.64),2.056(0.52), 1.764(0.41), 2.322(0.41), 4.02(0.33), 3.106(0.31), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Marrucciite |
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| Diaphaneity: |
Opaque | ||
| Habit: |
Acicular - Occurs as needle-like crystals. | ||
| Luster: |
Metallic | ||
Calculated Properties of Marrucciite |
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| Electron Density: |
Bulk Density (Electron Density)=5.05 gm/cc note: Specific Gravity of Marrucciite =5.97 gm/cc. |
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| Fermion Index: |
Fermion Index = 0.11 Boson Index = 0.89 |
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| Photoelectric: |
PEMarrucciite =1,008.51 barns/electron U=PEMarrucciite x rElectron Density=5,096.00 barns/cc. |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Marrucciite is Not Radioactive |
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Marrucciite Classification |
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| Dana Class: |
03.08.16.02 (03)Sulfides - Sulfosalts | ||
| (03.08)where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals | |||
| (03.08.16)Dana Group | |||
| Strunz Class: |
02.JB.60 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf | ||
| 02.J - Sulfosalts of PbS Archetype | |||
| 02.JB -Galena derivatives, with Pb | |||
Other Marrucciite Information |
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| References: |
NAME( AmMin, v93:253) PHYS. PROP.(AmMin, v93:253) | ||
| See Also: |
Links to other databases for Marrucciite : 1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - MinDAT 7 - Mineralienatlas (Deutsch) 8 - Online Mineral Museum 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Marrucciite using: Visit our Advertisers for Marrucciite : A Bijoux Google Search for MarrucciiteAdam's Minerals Google Search for Marrucciite Cape Minerals Google Search for Marrucciite Dakota Matrix Minerals Google Search for Marrucciite Excalibur Mineral Corp. Google Search for Marrucciite Exceptional Minerals Google Search for Marrucciite John Betts Fine Minerals Search for Marrucciite McDougall Minerals Google Search for Marrucciite Mineral News Website Link Rock and Mineral Shows Google Search for Marrucciite Weinrich Minerals, Inc. Google Search for Marrucciite Ask about Marrucciite here : Print or Cut-and-Paste your Marrucciite Specimen Label here :
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