General Stumpflite Information Chemical Formula: |
Pt(Sb,Bi) |
Composition: |
Molecular Weight = 338.64 gm |
|
Bismuth 15.43 % Bi |
|
Antimony 26.96 % Sb |
|
Platinum 57.61 % Pt |
|
______ |
|
100.00 % |
Empirical Formula: |
PtSb0.75Bi0.25 |
Environment: |
In platinum concentrates from an ultramafic pipe deposit intergrown with geversite. |
IMA Status: |
Approved IMA 1972 |
Locality: |
Driekop mine, Transvaal, South Africa Link to MinDat.org Location Data. |
Name Origin: |
Named for Eugen Friedrich Stumpfl (1931-), Mineralogist, Mining University Leoben, Austria. |
Name Pronunciation: |
Stumpflite + Pronunciation |
Synonym: |
ICSD 42547 |
|
PDF 25-1482 |
| | Search for Stumpflite Images
Images:
|
|
| | Stumpflite Crystallography Axial Ratios: |
a:c = 1:1.31832 |
Cell Dimensions: |
a = 4.175, c = 5.504, Z = 2; V = 83.08 Den(Calc)= 13.54 |
Crystal System: |
Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc |
X Ray Diffraction: |
By Intensity(I/Io): 2.192(1), 3.027(1), 2.088(0.8), |
Crystal Structure:
|
Mouse
|
| Physical Properties of Stumpflite Cleavage: |
None |
Color: |
Silver white. |
Density: |
13.52 |
Diaphaneity: |
Opaque |
Habit: |
Inclusions - Generally found as inclusions in other minerals. |
Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
Hardness: |
5 - Apatite |
Luster: |
Metallic |
| Optical Properties of Stumpflite RL Anisotrophism: |
Strong, in brownish yellow. |
RL Color: |
Cream. |
RL Pleochroism: |
Perceptible. |
Reflectivity |
|
| Calculated Properties of Stumpflite Electron Density: |
Bulk Density (Electron Density)=11.0 gm/cc |
note: Specific Gravity of Stumpflite =13.5 gm/cc. Fermion Index: |
Fermion Index = 0.19 |
Boson Index = 0.81 Photoelectric: |
PEStumpflite =1,327.08 barns/electron |
U=PEStumpflite x rElectron Density=14538.88 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Stumpflite is Not Radioactive | Stumpflite Classification Dana Class: |
02.08.11.08 (02)Sulfides - Including Selenides and Tellurides |
|
(02.08)where Am Bn Xp, with (m+n):p=1:1 |
|
(02.08.11)Nickeline Group (Hexagonal: P63/mmc) |
|
|
|
|
|
|
|
|
|
|
|
|
|
Strunz Class: |
02.CC.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
|
02.C - Metal Sulfides, M:S = 1:1 (and similar) |
|
02.CC -With Ni, Fe, Co, PGE, etc. |
|
|
|
|
|
|
|
|
|
|
|
|
|
| Other Stumpflite Information References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
See Also: |
Links to other databases for Stumpflite : |
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 Search for Stumpflite using: Visit our Advertisers for Stumpflite : A Bijoux Google Search for StumpfliteAdam's Minerals Google Search for Stumpflite Cape Minerals Google Search for Stumpflite Dakota Matrix Minerals Google Search for Stumpflite Excalibur Mineral Corp. Google Search for Stumpflite Exceptional Minerals Google Search for Stumpflite John Betts Fine Minerals Search for Stumpflite McDougall Minerals Google Search for Stumpflite Mineral News Website Link Rock and Mineral Shows Google Search for Stumpflite Weinrich Minerals, Inc. Google Search for Stumpflite Ask about Stumpflite here : Print or Cut-and-Paste your Stumpflite Specimen Label here :
| |
|
| |