Tlapallite Mineral Data

Tlapallite Mineral Data
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General Tlapallite Information

Help on Chemical Formula: Chemical Formula: H6(Ca,Pb)2Cu3(SO4)(Te++++O3)4(Te++++++O6)
Help on Composition: Composition: Molecular Weight = 1,382.46 gm
   Calcium     4.35 %  Ca    6.08 % CaO
   Copper     13.79 %  Cu   17.26 % CuO
   Tellurium  46.15 %  Te   57.72 % TeO2
   Hydrogen    0.44 %  H     3.91 % H2O
   Lead        7.49 %  Pb    8.07 % PbO
   Sulfur      2.32 %  S     5.79 % SO3
   Oxygen     25.46 %  O
             ______        ______ 
             100.00 %       98.84 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: H6Ca1.5Pb0.5Cu3(SO4)(TeO3)4(TeO6)
Help on IMA Status: IMA Status: Approved IMA 1978
Help on Locality: Locality: Bambollita mine ("La Oriental"), Moctezuma, Sonora, Mexico. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from the Nahua "tlapalli," paint, in allusion to its paintlike coating of rock surfaces.
Help on Name Pronunciation: Name Pronunciation: Tlapallite + Pronunciation Say TLAPALLITE
 

Tlapallite Image

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Tlapallite

Comments: Green, microcrystalline druse of tlapallite grains.
Location: Bambollita Mine (Oriental Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Tlapallite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.3139:1:1.7189
Help on Cell Dimensions: Cell Dimensions: a = 11.97, b = 9.11, c = 15.66, Z = 4; beta = 90.04° V = 1,707.67 Den(Calc)= 5.38
Help on Crystal System: Crystal System: MonoclinicSpace Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.985(1), 11.972(1), 3.54(0.6),
 

Physical Properties of Tlapallite

Help on Cleavage: Cleavage: None
Help on Color: Color: Green, Cyprus green.
Help on Density: Density: 4.65
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Thin - Flat dimensioned crystals.
Help on Hardness: Hardness: 3 - Calcite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous (Glassy)
 

Optical Properties of Tlapallite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.095 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.053 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1822,KPDmeas= 0.2108,KC= 0.1924
Ncalc = 1.89 - 2.04
Help on Optical Data: Optical Data: Biaxial (-), a=1.815-1.915, b=1.96-2.115, g=1.96-2.115, bire=0.1450-0.2000, 2V(Calc)=0, 2V(Meas)=small.
 

Calculated Properties of Tlapallite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.79 gm/cc
note: Specific Gravity of Tlapallite =5.38 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.05
Boson Index = 0.95
Help on Photoelectric: Photoelectric: PETlapallite = 295.27 barns/electron
U=PETlapallite x rElectron Density=1,415.66 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tlapallite is Not Radioactive
 

Tlapallite Classification
Help on Dana Class: Dana Class: 34.08.02.01 (34)Selenites - Tellurites - Sulfites
  (34.08)Dana Type
  (34.08.02)Dana Group
 
34.08.02.01 Tlapallite H6(Ca,Pb)2Cu3(SO4)(TeO3)4(TeO6) Unk Mono
Help on Strunz Class: Strunz Class: 04.JL.25 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.J - Arsenites, Antimonites, Bismuthites, Sulfites,
  04.JL -Tellurites with additional anions, without H2O
 
04.JL.25 Tlapallite H6(Ca,Pb)2Cu3(SO4)(TeO3)4(TeO6) Unk Mono
 

Other Tlapallite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Tlapallite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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Tlapallite

H6(Ca,Pb)2Cu3(SO4)(Te++++O3)4(Te++++++O6)
Dana No: 34.08.02.01 Strunz No: 04.JL.25
Locality:

 

Notes: