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Proudite Mineral Data
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General Proudite Information
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 Chemical Formula: |
Cu1.9Ag0.1Pb15.6Bi20.4Sb0.1S32.4Se14.5 |
| Composition: |
Molecular Weight = 9,823.08 gm |
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Copper 1.23 % Cu |
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Silver 0.11 % Ag |
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Bismuth 43.40 % Bi |
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Antimony 0.12 % Sb |
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Lead 32.91 % Pb |
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Selenium 11.66 % Se |
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Sulfur 10.58 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Cu1.9Ag0.1Pb15.6Bi20.4Sb0.1S32.4Se14.5 |
| Environment: |
With large, presumably hydrothermal magnetite bodies. |
| IMA Status: |
Approved IMA 1976 |
| Locality: |
Juno mine, Tennant Creek, Northern Territory, Australia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for J. S. Proud, a Director of the Peko-Wallsend mining. |
| Name Pronunciation: |
Proudite  |
| Synonym: |
ICSD 30778 |
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PDF 30-491 |
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Proudite Image |
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Images:
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Proudite
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 |
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Proudite Crystallography
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| Axial Ratios: |
a:b:c =7.7591:1:8.9166 |
| Cell Dimensions: |
a = 31.814, b = 4.1002, c = 36.56, Z = 2; beta = 109.266° V = 4,501.94 Den(Calc)= 7.25 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m |
| X Ray Diffraction: |
By Intensity(I/Io): 2.96(1), 2.059(0.86), 3.494(0.65), |
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Physical Properties of Proudite
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| Cleavage: |
{hk0} Good |
| Color: |
Silver gray. |
| Density: |
7.12 |
| Diaphaneity: |
Opaque |
| Fracture: |
Brittle - Irregular - Very brittle fracture producing irregular fragments |
| Habit: |
Acicular - Occurs as needle-like crystals. |
| Habit: |
Aggregates - Made of numerous individual crystals or clusters. |
| Habit: |
Lath - Shaped like a small, thin plaster lath, tabular (rectangular) in shape. |
| Hardness: |
2-2.5 - Gypsum-Finger Nail |
| Luster: |
Metallic |
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Optical Properties of Proudite
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| 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
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| RL Anisotrophism: |
Straong cream-gray to tan. |
| RL Color: |
Creamy white. |
| RL Pleochroism: |
Strong cream-white to white. |
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Calculated Properties of Proudite
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| Electron Density: |
Bulk Density (Electron Density)=5.98 gm/cc
note: Specific Gravity of Proudite =7.25 gm/cc.
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| Fermion Index: |
Fermion Index = 0.08
Boson Index = 0.92 |
| Photoelectric: |
PEProudite =1,472.01 barns/electron
U=PEProudite x rElectron Density=8,797.23 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Proudite is Not Radioactive |
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Proudite Classification
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| Dana Class: |
03.06.01.01 (03)Sulfides - Sulfosalts |
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(03.06)where 2 < z/y < 2.49 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.06.01)Dana Group |
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03.06.01.01 Proudite Cu1.9Ag0.1Pb15.6Bi20.4Sb0.1S32.4Se14.5 C 2/m 2/m |
| Strunz Class: |
02.JB.25d 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.J - Sulfosalts of PbS Archetype |
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02.JB -Galena derivatives, with Pb |
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02.JB.25d Proudite Cu1.9Ag0.1Pb15.6Bi20.4Sb0.1S32.4Se14.5 C 2/m 2/m |
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Other Proudite Information
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(AntBidBlaNic1, CanMin v47:25) OPTIC PROP.(AntBidBlaNic1) |
| 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
15 - WWW-MINCRYST
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Print or Cut-and-Paste your Proudite Specimen Label here :
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Proudite
Cu1.9Ag0.1Pb15.6Bi20.4Sb0.1S32.4Se14.5
Dana No: 03.06.01.01 Strunz No: 02.JB.25d
Locality:
Notes:
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