General Verbeekite Information Chemical Formula: |
PdSe2 |
Composition: |
Molecular Weight = 264.34 gm |
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Palladium 40.26 % Pd |
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Selenium 59.74 % Se |
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100.00 % |
Empirical Formula: |
PdSe2 |
Environment: |
Se-rich sulfide lens. Replaced by oosterboschite. |
IMA Status: |
Approved IMA 2001 (Dana # Added) |
Locality: |
Musonoi mine, near Kolwezi, Shaba Province, Democratic Republic of Congo (formerly Zaire). Link to MinDat.org Location Data. |
Name Origin: |
Named for Theodore Verbeek (1927-1991) who did the original studies on the Se-bearing lens. |
Synonym: |
IMA2001-005 |
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Images:
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| | Verbeekite Crystallography Axial Ratios: |
a:b:c =1.6122:1:1.0753 |
Cell Dimensions: |
a = 6.657, b = 4.129, c = 4.44, Z = 2; beta = 92.83° V = 121.89 Den(Calc)= 7.20 |
Crystal System: |
MonoclinicSpace Group: C 2, Cm, or C 2/m |
X Ray Diffraction: |
By Intensity(I/Io): 2.718(1)(111), 1.896(0.5)(112), 1.955(0.5)(310),3.496(0.3)(110), 4.423(0.3)(001), 1.815(0.2), 2.063(0.2), |
| Physical Properties of Verbeekite Color: |
Black. |
Diaphaneity: |
Opaque |
Fracture: |
Brittle - Uneven - Very brittle fracture producing uneven fragments. |
Habit: |
Anhedral Grains - Granular minerals without the expression of crystal shapes |
Hardness: |
5.5 - Knife Blade |
Luster: |
Metallic |
Streak: |
black |
| Optical Properties of Verbeekite RL Anisotrophism: |
Moderate with brown rotation tints. |
RL Bireflectance: |
Negligible. |
RL Color: |
Gray. |
RL Pleochroism: |
None. |
Reflectivity |
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| Calculated Properties of Verbeekite Electron Density: |
Bulk Density (Electron Density)=6.21 gm/cc |
note: Specific Gravity of Verbeekite =7.20 gm/cc. Fermion Index: |
Fermion Index = 0.13 |
Boson Index = 0.87 Photoelectric: |
PEVerbeekite = 146.29 barns/electron |
U=PEVerbeekite x rElectron Density= 908.47 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Verbeekite is Not Radioactive | Verbeekite Classification Dana Class: |
02.12.15.03 (02)Sulfides - Including Selenides and Tellurides |
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(02.12)where Am Bn Xp, with (m+n):p=1:2 |
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(02.12.15)Dana Group |
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Strunz Class: |
02.EA.25 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.E - Metal Sulfides, M:S £ 1:2 |
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02.EA -M:S = 1:2 |
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| Other Verbeekite Information References: |
NAME( AmMin, Vol 88, p 253) PHYS. PROP.(AmMin, Vol 88, p 253) OPTIC PROP.(AmMin, Vol 88, p 253) |
See Also: |
Links to other databases for Verbeekite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - Handbook of Mineralogy (MinSocAm) 7 - Handbook of Mineralogy (UofA) 8 - MinDAT 9 - Mineralienatlas (Deutsch) 10 - Online Mineral Museum 11 - QUT Mineral Atlas 12 - Ruff.Info Search for Verbeekite using: Visit our Advertisers for Verbeekite : A Bijoux Google Search for VerbeekiteAdam's Minerals Google Search for Verbeekite Cape Minerals Google Search for Verbeekite Dakota Matrix Minerals Google Search for Verbeekite Excalibur Mineral Corp. Google Search for Verbeekite Exceptional Minerals Google Search for Verbeekite John Betts Fine Minerals Search for Verbeekite McDougall Minerals Google Search for Verbeekite Mineral News Website Link Rock and Mineral Shows Google Search for Verbeekite Weinrich Minerals, Inc. Google Search for Verbeekite Ask about Verbeekite here : Print or Cut-and-Paste your Verbeekite Specimen Label here :
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