Xocomecatlite Mineral Data

Xocomecatlite Mineral Data
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General Xocomecatlite Information

Help on Chemical Formula: Chemical Formula: Cu3Te++++++O4(OH)4
Help on Composition: Composition: Molecular Weight = 450.26 gm
   Copper     42.34 %  Cu   53.00 % CuO
   Tellurium  28.34 %  Te   35.45 % TeO2
   Hydrogen    0.90 %  H     8.00 % H2O
   Oxygen     28.43 %  O
             ______        ______ 
             100.00 %       96.45 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu3(TeO4)(OH)4
Help on Environment: Environment: In cracks in altered rhyolite.
Help on IMA Status: IMA Status: Approved IMA 1975
Help on Locality: Locality: Bambollita mine, Moctezuma, Sonora, Mexico. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the Nahuatl for "bunches of grapes", in allusion to the appearance of the green spherules of the mineral.
Help on Name Pronunciation: Name Pronunciation: Xocomecatlite + Pronunciation Say XOCOMECATLITE
 

Xocomecatlite Image

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Xocomecatlite

Comments: Green botryoidal xocomecatlite coatings.
Location: Mina Bambollita, Moctezuma, Sonora, Mexico. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
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Xocomecatlite

Comments: Green spheroidal crystals to 0.5 mm of very rare xocometcatlite.
Location: Centennial-Eureka mine, Tintic district, Utah, USA. Scale: Picture size 2 mm.
© Tom Loomis / Dakota Matrix

Xocomecatlite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.8478:1:0.8144
Help on Cell Dimensions: Cell Dimensions: a = 12.14, b = 14.318, c = 11.662, Z = 12; V = 2,027.09 Den(Calc)= 4.43
Help on Crystal System: Crystal System: OrthorhombicSpace Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.627(1), 2.673(0.6), 3.439(0.4),
 

Physical Properties of Xocomecatlite

Help on Color: Color: Green, Emerald green.
Help on Density: Density: 4.65
Help on Fracture: Fracture: Tough - Difficult to break apart as shown by fibrous minerals and most metals.
Help on Habit: Habit: Botryoidal - "Grape-like" rounded forms (e.g.. malachite).
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Habit: Habit: Spherical - Spherical, rounded aggregates.
Help on Hardness: Hardness: 4 - Fluorite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Streak: Streak: light green
 

Optical Properties of Xocomecatlite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.013 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.036 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1953,KPDmeas= 0.186,KC= 0.1886
Ncalc = 1.84 - 1.88
Help on Optical Data: Optical Data: Biaxial (-), a=1.775, b=1.9, g=1.92, bire=0.1450, 2V(Calc)=40, 2V(Meas)=41. Dispersion low.
Help on Pleochroism (y): Pleochroism (y): rich bluish green.
 

Calculated Properties of Xocomecatlite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.28 gm/cc
note: Specific Gravity of Xocomecatlite =4.65 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEXocomecatlite = 114.00 barns/electron
U=PEXocomecatlite x rElectron Density= 487.39 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Xocomecatlite is Not Radioactive
 

Xocomecatlite Classification
Help on Dana Class: Dana Class: 33.01.02.01 (33)Selenates and Tellurates
  (33.01)as A+ (B++)m XO4 Zq
  (33.01.02)Dana Group
 
33.01.02.01 Xocomecatlite Cu3TeO4(OH)4 Unk Ortho
Help on Strunz Class: Strunz Class: 07.BB.50 07 - SULFATES (SELENATES, TELLURATES)
  07.B - Sulfates (selenates, etc.) with Additional Anions, without H2O
  07.BB -With medium-sized cations
 
07.BB.50 Xocomecatlite Cu3TeO4(OH)4 Unk Ortho
 

Other Xocomecatlite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Xocomecatlite :
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 Xocomecatlite here :
Ask-A-Mineralogist from the Mineralogical Society of America
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Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

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

Xocomecatlite

Cu3Te++++++O4(OH)4
Dana No: 33.01.02.01 Strunz No: 07.BB.50
Locality:

 

Notes: