Mineralogy Database

Proudite Mineral Data

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General Proudite Information

Help on Chemical  Formula: Chemical Formula: Cu1.9Ag0.1Pb15.6Bi20.4Sb0.1S32.4Se14.5
Help on Composition: Composition: Molecular Weight = 9,823.08 gm
   Copper     1.23 %  Cu
   Silver     0.11 %  Ag
   Bismuth   43.40 %  Bi
   Antimony   0.12 %  Sb
   Lead      32.91 %  Pb
   Selenium  11.66 %  Se
   Sulfur    10.58 %  S
            100.00 % 
Help on Empirical Formula: Empirical Formula: Cu1.9Ag0.1Pb15.6Bi20.4Sb0.1S32.4Se14.5
Help on Environment: Environment: With large, presumably hydrothermal magnetite bodies.
Help on IMA Status: IMA Status: Approved IMA 1976
Help on Locality: Locality: Juno mine, Tennant Creek, Northern Territory, Australia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for J. S. Proud, a Director of the Peko-Wallsend mining.
Help on Name Pronunciation: Name Pronunciation: Proudite Say PROUDITE
Help on Synonym: Synonym: ICSD 30778
  PDF 30-491

Proudite Image

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Comments: BSE image of proudite aggregates from Tennant Creek, Australia. Pr = proudite, light grey: J = junoite, G = gangue and holes. (CanMin v47:25).
Location: Juno mine, Tennant Creek, Northern Territory, Australia. Scale: See Image.
© Canadian Mineralogist

Proudite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =7.7591:1:8.9166
Help on Cell Dimensions: Cell Dimensions: a = 31.814, b = 4.1002, c = 36.56, Z = 2; beta = 109.266° V = 4,501.94 Den(Calc)= 7.25
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.96(1), 2.059(0.86), 3.494(0.65),

Physical Properties of Proudite

Help on Cleavage: Cleavage: {hk0} Good
Help on Color: Color: Silver gray.
Help on Density: Density: 7.12
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Irregular - Very brittle fracture producing irregular fragments
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Lath - Shaped like a small, thin plaster lath, tabular (rectangular) in shape.
Help on Hardness: Hardness: 2-2.5 - Gypsum-Finger Nail
Help on Luster: Luster: Metallic

Optical Properties of Proudite

Help on Optical Data: Optical Data: NCalc= 1.9 - from Gladstone-Dale relationship (KC = 0.1246) where Ncalc=Dcalc*KC+1
NCalc= 1.89 - from Gladstone-Dale relationship (KC = 0.1246) where Ncalc=Dmeas*KC+1
Help on RL Anisotrophism: RL Anisotrophism: Straong cream-gray to tan.
Help on RL Color: RL Color: Creamy white.
Help on RL Pleochroism: RL Pleochroism: Strong cream-white to white.

Calculated Properties of Proudite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.98 gm/cc
note: Specific Gravity of Proudite =7.25 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.08
Boson Index = 0.92
Help on Photoelectric: Photoelectric: PEProudite =1,472.01 barns/electron
U=PEProudite x rElectron Density=8,797.23 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Proudite is Not Radioactive

Proudite Classification

Help on  Dana Class: Dana Class: (03)Sulfides - Sulfosalts
  (03.06)where 2 < z/y < 2.49 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.06.01)Dana Group Proudite Cu1.9Ag0.1Pb15.6Bi20.4Sb0.1S32.4Se14.5 C 2/m 2/m
Help on  Strunz Class: Strunz Class: 02.JB.25d 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.25d Proudite Cu1.9Ag0.1Pb15.6Bi20.4Sb0.1S32.4Se14.5 C 2/m 2/m

Other Proudite Information

Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(AntBidBlaNic1, CanMin v47:25) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Proudite :
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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Dana No: Strunz No: 02.JB.25d





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