Mcalpineite Mineral Data

Mcalpineite Mineral Data
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General Mcalpineite Information

Help on Chemical Formula: Chemical Formula: Cu++3Te++++++O6•(H2O)
Help on Composition: Composition: Molecular Weight = 432.25 gm
   Copper     44.10 %  Cu   55.21 % CuO
   Tellurium  29.52 %  Te   36.92 % TeO2
   Hydrogen    0.47 %  H     4.17 % H2O
   Oxygen     25.91 %  O
             ______        ______ 
             100.00 %       96.30 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu3TeO6•(H2O)
Help on Environment: Environment: On quartz associated with chromian muscovite.
Help on IMA Status: IMA Status: Approved IMA 1994
Help on Locality: Locality: McAlpine mine, Tuolumne County, California, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For the mine at the type locality.
Help on Name Pronunciation: Name Pronunciation: Mcalpineite + Pronunciation Say MCALPINEITE
Help on Synonym: Synonym: IMA1992-025
 

Mcalpineite Image

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Mcalpineite

Comments: Dark green crystals of mcalpineite in matrix.
Location: Centennial Eureka Mine, Tintic District, Juab Co., Utah, USA. Scale: Picture size 1.7 mm.
© Thomas Witzke / Abraxas-Verlag

Mcalpineite Crystallography
Help on Cell Dimensions: Cell Dimensions: a = 9.555, Z = 8; V = 872.35 Den(Calc)= 6.58
Help on Crystal System: Crystal System: IsometricSpace Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.763(1), 1.689(0.8), 2.384(0.7),
 

Physical Properties of Mcalpineite

Help on Cleavage: Cleavage: None
Help on Color: Color: Emerald green, Olive green, Dark greenish black.
Help on Density: Density: 6.63
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Hardness: Hardness: 3 - Calcite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Adamantine
Help on Streak: Streak: light green
 

Optical Properties of Mcalpineite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.164 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.158 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1535,KPDmeas= 0.1523,KC= 0.1822
Ncalc = 2.2 - 2.21
Help on Optical Data: Optical Data: Isotropic, n=2.01.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Mcalpineite in Air
λ R  ∑ R(λ) 
 470 nm   12.80   
 546 nm   11.60 
 589 nm   11.20 
 650 nm   11.00 
Calculated Relative Intensity Colors of Mcalpineite in Air
Relative
Intensity		    0%   80% 100% 160% 240% 320% 400% 480% 560% 640% 720% 790%
R                        
 

Calculated Properties of Mcalpineite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.00 gm/cc
note: Specific Gravity of Mcalpineite =6.58 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEMcalpineite = 119.76 barns/electron
U=PEMcalpineite x rElectron Density= 718.32 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Mcalpineite is Not Radioactive
 

Mcalpineite Classification
Help on Dana Class: Dana Class: 33.02.05.01 (33)Selenates and Tellurates
  (33.02)as A+ (B++)m XO6 Zq · x(H2O) where x can equal 0
  (33.02.05)Dana Group
 
33.02.05.01 Mcalpineite Cu3TeO6•(H2O) Unk Cubic
Help on Strunz Class: Strunz Class: 07.DE.55 07 - SULFATES (SELENATES, TELLURATES)
  07.D - Sulfates (selenates, etc.) with additional anions, with H2O
  07.DE -With only medium-sized cations; unclassified
 
07.DE.55 Mcalpineite Cu3TeO6•(H2O) Unk Cubic
 

Other Mcalpineite Information
Help on References: References: NAME( MinRec) PHYS. PROP.(Am.Min.,Vol.80,p631,1995) OPTIC PROP.(MinRec, v 27, p 118)
Help on See Also: See Also: Links to other databases for Mcalpineite :
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

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Ask about Mcalpineite here :
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Print or Cut-and-Paste your Mcalpineite Specimen Label here :

Mcalpineite

Cu++3Te++++++O6•(H2O)
Dana No: 33.02.05.01 Strunz No: 07.DE.55
Locality:

 

Notes: