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Paarite Mineral Data
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General Paarite Information
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 Chemical Formula: |
Cu1.7Pb1.7Bi6.3S12 |
| Composition: |
Molecular Weight = 2,166.36 gm |
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Iron 0.03 % Fe |
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Copper 4.90 % Cu |
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Bismuth 60.77 % Bi |
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Lead 16.45 % Pb |
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Sulfur 17.85 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Cu1.67Fe2+0.01Pb1.72Bi6.3S12.06 |
| Environment: |
Metamorphosed scheelite deposit. (56 � derivative of the bismuthinite-aikinite series) |
| IMA Status: |
Approved IMA 2001 (Dana # Added) |
| Locality: |
Felbertal scheelite deposit, Hohe Tauern, about 10 km south of the town of Mittersill, Salzburg province, Austria. Link to MinDat.org Location Data. |
| Name Origin: |
Named for. W. Paar (Salzburg) of the University of Copenhagen and the University of Salzburg. |
| Synonym: |
IMA2001-016 |
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Paarite Image |
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Images:
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Paarite Krupkaite
Comments: A mosaic of large grains of a low-Cu bismuthinite derivative, decomposed into an intergrowth of paarite (bd42) and krupkaite (bd49).
Location: In quartz veins of the Felbertal scheelite deposit, Salzburg Province, Austria. (CanMin v43:909).
Scale: See Image.
© Canadian Mineralogist |
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Paarite Crystallography
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| Axial Ratios: |
a:b:c =0.0715:1:0.2055 |
| Cell Dimensions: |
a = 4.007, b = 55.998, c = 11.512, Z = 5; V = 2,583.11 Den(Calc)= 6.96 |
| Crystal System: |
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pmcn |
| X Ray Diffraction: |
By Intensity(I/Io): 3.63(1)(053 ), 2.836(0.926)(1.10.2), 3.136(0.924)(1.10.1),3.551(0.847)(0.15.1), 3.155(0.572)(152 ), 4.01(0.563)(0.10.2), 3.585(0.553)(151), 2.56(0.406)(0.10.4), 2.658(0.364)(1.15.1), |
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Physical Properties of Paarite
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| Cleavage: |
{0kl} Perfect |
| Color: |
Tin white. |
| Diaphaneity: |
Opaque |
| Fracture: |
Brittle - Uneven - Very brittle fracture producing uneven fragments. |
| Hardness: |
3.5 - Copper Penny |
| Luster: |
Metallic |
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Optical Properties of Paarite
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| RL Anisotrophism: |
Distinct. |
| RL Color: |
Tin white with no internal reflections. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Paarite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 460 nm |
48.16 |
38.32 |
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| 540 nm |
48.56 |
37.42 |
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| 580 nm |
48.09 |
36.93 |
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| 640 nm |
46.69 |
36.20 |
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Calculated Relative Intensity Colors of Paarite in Air
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
240% |
| R1 |
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| R2 |
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Calculated Properties of Paarite
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| Electron Density: |
Bulk Density (Electron Density)=5.82 gm/cc
note: Specific Gravity of Paarite =6.96 gm/cc.
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| Fermion Index: |
Fermion Index = 0.03
Boson Index = 0.97 |
| Photoelectric: |
PEPaarite =1,475.46 barns/electron
U=PEPaarite x rElectron Density=8,585.56 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Paarite is Not Radioactive |
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Paarite Classification
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| Dana Class: |
03.08.17.01 (03)Sulfides - Sulfosalts |
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(03.08)where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.08.17)Dana Group |
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03.08.17.01 Paarite! Cu1.7Pb1.7Bi6.3S12 Pmcn 2/m 2/m 2/m |
| Strunz Class: |
02.HB.05a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.H - Sulfosalts of SnS Archetype |
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02.HB -With Cu, Ag, Hg, Fe, Sn and Pb |
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02.HB.05a Aikinite PbCuBiS3 Pbnm 2/m 2/m 2/m |
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02.HB.05a Hammarite Pb2Cu2Bi4S9(?) Pbnm 2/m 2/m 2/m |
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02.HB.05a Gladite PbCuBi5S9 P nma 2/m 2/m 2/m |
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02.HB.05a Friedrichite Pb5Cu5Bi7S18 Pb21m mm2 |
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02.HB.05a Lindstromite Pb3Cu3Bi7S15 Pbnm 2/m 2/m 2/m |
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02.HB.05a Krupkaite PbCuBi3S6 P mc21 mm2 |
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02.HB.05a Pekoite PbCuBi11(S,Se)18 P 21am mm2 |
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02.HB.05a Paarite! Cu1.7Pb1.7Bi6.3S12 Pmcn 2/m 2/m 2/m |
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02.HB.05a Emilite! Cu2.68Pb2.68Bi5.32S12 P mc21 mm2 |
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02.HB.05a Salzburgite! Cu1.6Pb1.6Bi6.4S12 P mc21 mm2 |
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Other Paarite Information
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| References: |
NAME( CanMin 39:1377) PHYS. PROP.(AmMin 89:1831, 91:218) OPTIC PROP.(AmMin, 91:218) |
| See Also: |
Links to other databases for Paarite :
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
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Paarite
Cu1.7Pb1.7Bi6.3S12
Dana No: 03.08.17.01 Strunz No: 02.HB.05a
Locality:
Notes:
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