Marrucciite Mineral Data

Marrucciite Mineral Data
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General Marrucciite Information

Help on Chemical Formula: Chemical Formula: Hg3Pb16Sb18S46
Help on Composition: 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 % 
Help on Empirical Formula: Empirical Formula: Cu0.21Hg2.98Pb15.46Sb18.44S45.87Cl0.13
Help on Environment: Environment: Found in the latest hydrothermal stage, within small veinlets crosscutting dolomitic lenses interstratified in Ba-Fe ore. Sulphosalt.
Help on IMA Status: IMA Status: Approved IMA 2006 - (Dana # Added)
Help on Locality: Locality: Buca della Vena deposit, Tuscany, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Angelo Marrucci (1956-2003), a mineral collector in recognition for his contributions to the mineralogy of Tuscany.
Help on Synonym: Synonym: Gelnicaite
  Gelnicite
  IMA2006-015
 

Marrucciite Image

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Marrucciite

Comments: Black, acicular crystals of marrucciite embedded in dolomite marble..
Location: Buca della Vena Mine, Stazzema, Tuscany, Italy.. Scale: Picture size 4 mm.
© Thomas Witzke

Marrucciite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =11.7367:1:5.843
Help on Cell Dimensions: Cell Dimensions: a = 48.32, b = 4.117, c = 24.056, Z = 2; beta = 118.84° V = 4,191.99 Den(Calc)= 5.97
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: 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),
Click Here for Large Marrucciite Structure Window Crystal Structure:

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Orlandi P , Moelo Y , Campostrini I , Meerschaut A , European Journal of Mineralogy , 19 (2007) p.267-279, Lead-antimony sulfosalts from Tuscany (Italy). IX. Marrucciite,, Hg3Pb16Sb18S46,a new sulfosalt from Buca della Vena mine, Apuan Alps:, definition and crystal structure, Locality: Buca della Vena mine, Apuan Alps, Tuscany, Italy

 

Physical Properties of Marrucciite

Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Luster: Luster: Metallic
 

Calculated Properties of Marrucciite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.05 gm/cc
note: Specific Gravity of Marrucciite =5.97 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.11
Boson Index = 0.89
Help on Photoelectric: Photoelectric: PEMarrucciite =1,008.51 barns/electron
U=PEMarrucciite x rElectron Density=5,096.00 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Marrucciite is Not Radioactive
 

Marrucciite Classification
Help on Dana Class: 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
 
03.08.16.01 Scainiite! Pb14Sb30S54O5 C 2/m 2/m
 
03.08.16.02 Marrucciite! Hg3Pb16Sb18S46 C 2/m 2/m
Help on Strunz Class: 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
 
02.JB.60 Marrucciite! Hg3Pb16Sb18S46 C 2/m 2/m
 

Other Marrucciite Information
Help on References: References: NAME( AmMin, v93:253) PHYS. PROP.(AmMin, v93:253)
Help on See Also: See Also: Links to other databases for Marrucciite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

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Marrucciite

Hg3Pb16Sb18S46
Dana No: 03.08.16.02 Strunz No: 02.JB.60
Locality:

 

Notes: