Xocolatlite Mineral Data

Xocolatlite Mineral Data
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General Xocolatlite Information

Help on Chemical Formula: Chemical Formula: Ca2Mn++++2Te++++++2O12•H2O
Help on Composition: Composition: Molecular Weight = 655.24 gm
   Calcium    12.23 %  Ca   17.12 % CaO
   Manganese  16.77 %  Mn   26.54 % MnO2
   Tellurium  38.95 %  Te   48.71 % TeO2
   Hydrogen    0.31 %  H     2.75 % H2O
   Oxygen     31.74 %  O
             ______        ______ 
             100.00 %       95.12 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2Mn4+2Te2O12•(H2O)
Help on Environment: Environment: Tellurate.
Help on IMA Status: IMA Status: Approved IMA 2007 (Dana # Added)
Help on Locality: Locality: Bambolla mine, Moctezuma, Sonora, Mexico Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: The name is in allusion to its chocolate-brown color and its Mexican type locality which is used to indicate the color of a sacred beverage made by mixing cocoa (Xocolatl), water, v anilla, pepper, and chili.
Help on Synonym: Synonym: IMA2007-020
 

Xocolatlite Image

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Xocolatlite

Comments: SEM image showing the gel-like texture in xocolatlite at the contact with quartz. (AmMin, v93:1912).
Location: Bambolla mine, Moctezuma, Sonora, Mexico. Scale: See Image.
© American Mineralogist

Xocolatlite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =2.1828:1:1.8145
Help on Cell Dimensions: Cell Dimensions: a = 10.757, b = 4.928, c = 8.942, Z = 2; beta = 102.39° V = 462.98 Den(Calc)= 4.70
Help on Crystal System: Crystal System: MonoclinicSpace Group: P 2, P 2/m, Pm, P 21, P 31/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.267(1), 2.52(0.71), 4.361(0.51),1.762(0.39), 4.924(0.34), 2.244(0.32), 1.455(0.24), 1.996(0.21),
 

Physical Properties of Xocolatlite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Chocolate brown.
Help on Density: Density: 4.1
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Micaceous - Platy texture with "flexible" plates.
Help on Hardness: Hardness: 2-3 - Gypsum-Calcite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: copper brown
 

Optical Properties of Xocolatlite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.016 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.141 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2128,KPDmeas= 0.2439,KC= 0.2478
Ncalc = 2.02 - 2.16
Help on Optical Data: Optical Data: Biaxial (?), a=2, g=2, bire=0.0000
 

Calculated Properties of Xocolatlite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.75 gm/cc
note: Specific Gravity of Xocolatlite =4.10 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEXocolatlite = 136.71 barns/electron
U=PEXocolatlite x rElectron Density= 513.26 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Xocolatlite is Not Radioactive
 

Xocolatlite Classification
Help on Dana Class: Dana Class: 33.02.10.01 (33)Selenates and Tellurates
  (33.02)as A+ (B++)m XO6 Zq · x(H2O) where x can equal 0
  (33.02.10)Dana Group
 
33.02.10.01 Xocolatlite! Ca2Mn2Te2O12•H2O P 2, P 2/m, Pm, P 21, P 31/m Mono
Help on Strunz Class: Strunz Class: 07.DF.85 07 - SULFATES (SELENATES, TELLURATES)
  07.D - Sulfates (selenates, etc.) with additional anions, with H2O
  07.DF -With large and medium-sized cations
 
07.DF.85 Xocolatlite! Ca2Mn2Te2O12•H2O P 2, P 2/m, Pm, P 21, P 31/m Mono
 

Other Xocolatlite Information
Help on References: References: NAME( AmMin, v93:1911) PHYS. PROP.(AmMin, v93:1911) OPTIC PROP.(AmMin, v93:1911)
Help on See Also: See Also: Links to other databases for Xocolatlite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

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

Xocolatlite

Ca2Mn++++2Te++++++2O12•H2O
Dana No: 33.02.10.01 Strunz No: 07.DF.85
Locality:

 

Notes: