Stumpflite Mineral Data + Say STUMPFLITE

General Stumpflite Information
Help on Chemical Formula: Chemical Formula: Pt(Sb,Bi)
Help on Composition: Composition: Molecular Weight = 338.64 gm
   Bismuth   15.43 %  Bi
   Antimony  26.96 %  Sb
   Platinum  57.61 %  Pt
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: PtSb0.75Bi0.25
Help on Environment: Environment: In platinum concentrates from an ultramafic pipe deposit intergrown with geversite.
Help on IMA Status: IMA Status: Approved IMA 1972
Help on Locality: Locality: Driekop mine, Transvaal, South Africa Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Eugen Friedrich Stumpfl (1931-), Mineralogist, Mining University Leoben, Austria.
Help on Synonym: Synonym: ICSD 42547
  PDF 25-1482
 

Search for Stumpflite Images

Click Here To Search Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.
  

Stumpflite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.31832
Help on Cell Dimensions: Cell Dimensions: a = 4.175, c = 5.504, Z = 2; V = 83.08 Den(Calc)= 13.54
Help on Crystal System: Crystal System: Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.192(1), 3.027(1), 2.088(0.8),
Click Here for Large Stumpflite Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
 Help on Above


Wyckoff R W G , Crystal Structures , 1 (1963) p.85-237, Second edition. Interscience Publishers, New York, New York, Note: ideal nickel arsenide structure

 

Physical Properties of Stumpflite

Help on Cleavage: Cleavage: None
Help on Color: Color: Silver white.
Help on Density: Density: 13.52
Help on Diaphaniety: Diaphaniety: Opaque
Help on Habit: Habit: Inclusions - Generally found as inclusions in other minerals.
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Metallic
 

Optical Properties of Stumpflite

Help on RL Anisotrophism: RL Anisotrophism: Strong, in brownish yellow.
Help on RL Color: RL Color: Cream.
Help on RL Pleochroism: RL Pleochroism: Perceptible.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Stumpflite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   42.70   46.60 
   
 420 nm   46.00   49.40 
 440 nm   49.30   52.20 
 460 nm   52.10   54.90 
 480 nm   54.50   57.30 
 500 nm   56.60   59.40 
 520 nm   58.10   61.30 
 540 nm   59.30   63.00 
 560 nm   60.20   64.40 
 580 nm   61.20   65.60 
 600 nm   62.10   66.60 
 620 nm   62.90   67.50 
 640 nm   63.60   68.50 
 660 nm   64.40   69.20 
 680 nm   64.90   70.00 
 700 nm   65.20   70.60 
Calculated Relative Intensity Colors of Stumpflite in Air
Relative
Intensity		    0%   20%   40%   60%   80% 100% 120% 140% 160% 180%
R1                    
R2                    
 

Calculated Properties of Stumpflite

Help on Electron Density: Electron Density:

relectron=11.0 gm/cc
note: rStumpflite =13.5 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.19471
Boson Index = 0.80529
Help on Photoelectric: Photoelectric:

PEStumpflite =1,327.08 barns/electron
U=PEStumpflite x relectron=14538.88 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Stumpflite is Not Radioactive
 

Stumpflite Classification
Help on Dana Class: Dana Class: 2.8.11.8 (2)Sulfides - Including Selenides and Tellurides
  (2.8)where Am Bn Xp, with (m+n):p=1:1
  (2.8.11)Nickeline Group (Hexagonal: P63/mmc)
 
2.8.11.1 Nickeline NiAs P 63/mmc 6/m 2/m 2/m
 
2.8.11.2 Breithauptite NiSb P 63/mmc 6/m 2/m 2/m
 
2.8.11.3 Sederholmite NiSe P 63/mmc 6/m 2/m 2/m
 
2.8.11.4 Hexatestibiopanickelite (Ni,Pd)(Te,Sb) P 63/mmc 6/m 2/m 2/m
 
2.8.11.5 Sudburyite (Pd,Ni)Sb P 63/mmc 6/m 2/m 2/m
 
2.8.11.6 Kotulskite Pd(Te,Bi) P 63/mmc 6/m 2/m 2/m
 
2.8.11.7 Sobolevskite PdBi P 63/mmc 6/m 2/m 2/m
 
2.8.11.8 Stumpflite Pt(Sb,Bi) P 63/mmc 6/m 2/m 2/m
 
2.8.11.9 Langisite (Co,Ni)As P 63/mmc 6/m 2/m 2/m
 
2.8.11.10 Freboldite CoSe P 63/mmc 6/m 2/m 2/m
 
2.8.11.11 Sorosite! Cu(Sn,Sb) P 63/mmc 6/m 2/m 2/m
Help on Strunz Class: Strunz Class: II/C.20-95 II - Sulfides and sulphosalts
  II/C - Sulfides with metal: sulfur, selenium and tellurium = 1:1
  II/C.20 - Nickeline group and related compounds, Polarite - Cherepanovite series
 
II/C.20-05 Sorosite! Cu(Sn,Sb) P 63/mmc 6/m 2/m 2/m
 
II/C.20-10 Langisite (Co,Ni)As P 63/mmc 6/m 2/m 2/m
 
II/C.20-20 Nickeline NiAs P 63/mmc 6/m 2/m 2/m
 
II/C.20-30 Breithauptite NiSb P 63/mmc 6/m 2/m 2/m
 
II/C.20-40 Freboldite CoSe P 63/mmc 6/m 2/m 2/m
 
II/C.20-50 Sederholmite NiSe P 63/mmc 6/m 2/m 2/m
 
II/C.20-70 Hexatestibiopanickelite (Ni,Pd)(Te,Sb) P 63/mmc 6/m 2/m 2/m
 
II/C.20-75 Yuanjiangite AuSn P 63/mmc 6/m 2/m 2/m
 
II/C.20-80 Kotulskite Pd(Te,Bi) P 63/mmc 6/m 2/m 2/m
 
II/C.20-90 Sudburyite (Pd,Ni)Sb P 63/mmc 6/m 2/m 2/m
 
II/C.20-95 Stumpflite Pt(Sb,Bi) P 63/mmc 6/m 2/m 2/m
 
II/C.20-100 Polarite Pd(Bi,Pb) Ccm21 mm2
 
II/C.20-110 Sobolevskite PdBi P 63/mmc 6/m 2/m 2/m
 
II/C.20-120 Ruthenarsenite (Ru,Ni)As P nma 2/m 2/m 2/m
 
II/C.20-130 Cherepanovite RhAs P nma 2/m 2/m 2/m
 

Other Stumpflite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Stumpflite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris

Search for Stumpflite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [About.com] [All-The-Web] [HotBot] [Ixquick] [LookSmart] [MAMMA] [MSN.COM] [Netscape] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Stumpflite :
AA Mineral Specimens
A-Rocks Auction
Adams Minerals
B and L Minerals
Dakota Matrix
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Minernet.it
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Stumpflite Mineral Data :

Ask about Stumpflite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

Print or Cut-and-Paste your Stumpflite Specimen Label here :

Stumpflite

Pt(Sb,Bi)
Dana No: 2.8.11.8 Strunz No: II/C.20-95
Locality:

 

Notes:

 
 
   
 
Go To Webmineral Home Crystallography X-Ray D-Spacing Table Chemical Composition
Dana Classification Strunz Classification Table of Mineral Properties Alphabetical Listing of Minerals
Search Webmineral Photo Gallery of Mineral Images Help Files Links