Tschortnerite Mineral Data + Say TSCHORTNERITE


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General Tschortnerite Information

Help on Chemical  Formula: Chemical Formula: Ca4(Ca,Sr,K,Ba)3Cu3(OH)8[Si12Al12O48]·x(H2O), x>=20
Help on Composition: Composition: Molecular Weight = 2,445.93 gm
   Potassium   0.96 %  K     1.16 % K2O
   Barium      1.68 %  Ba    1.88 % BaO
   Strontium   4.30 %  Sr    5.08 % SrO
   Calcium     8.03 %  Ca   11.23 % CaO
   Aluminum   13.24 %  Al   25.01 % Al2O3
   Copper      7.79 %  Cu    8.78 % Cu2O
   Silicon    13.78 %  Si   29.48 % SiO2
   Hydrogen    1.81 %  H    16.20 % H2O
   Oxygen     48.41 %  O
             ______        ______ 
             100.00 %       98.82 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca4.9Sr1.2K0.6Ba0.3Cu3(OH)8Si12Al12O48·18(H2O)
Help on Environment: Environment: Ca-rich xenolith in leucite tephrite lava.
Help on IMA Status: IMA Status: Approved IMA 1997 (Dana # Added)
Help on Locality: Locality: Bellberg volcano near Mayen, in the Laacher See volcano area, Eifel, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after Jochen Tschortner (1941-), mineral collector and finder of the mineral.
Help on Synonym: Synonym: IMA1995-051
 

Tschortnerite Image

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Tschortnerite

Comments: Scanning electron micrograph of tschortnerite. (AmMin 83:608).
Location: Ca-rich xenolith at the Bellberg volcano near Mayen, Eifel, Germany. Scale: Scale Bar 20 µm.
© American Mineralogist

Tschortnerite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 31.62, Z = 16; V = 31,614.45 Den(Calc)= 2.06
Help on Crystal System: Crystal System: Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: F m3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 18.34(1), 15.82(0.5), 9.69(0.05),
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Effenberger H , Giester G , Krause W , Bernhardt H J , American Mineralogist , 83 (1998) p.607-617, Tschortnerite, a copper-bearing zeolite from the Bellberg volcano, Eifel,, Germany

 

Physical Properties of Tschortnerite

Help on Cleavage: Cleavage: None
Help on Color: Color: Light blue.
Help on Density: Density: 2.1
Help on Diaphaniety: Diaphaniety: Transparent
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Euhedral Crystals - Occurs as well-formed crystals showing good external form.
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: pale blue
 

Optical Properties of Tschortnerite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.07 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= -0.091 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2447,KPDmeas= 0.24,KC= 0.2244
Help on Optical Data: Optical Data: Isotropic, n=1.504.
 

Calculated Properties of Tschortnerite

Help on Electron Density: Electron Density:

relectron=2.09 gm/cc
note: rTschortnerite =2.10 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.01279
Boson Index = 0.98721
Help on Photoelectric: Photoelectric:

PETschortnerite = 16.68 barns/electron
U=PETschortnerite x relectron= 34.90 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 13.81 (Gamma Ray American Petroleum Institute Units)

Estimated Radioactivity from Tschortnerite - barely detectable

 

Tschortnerite Classification

Help on  Dana Class: Dana Class: 77.1.2.9 (77)Tectosilicate Zeolite group
  (77.1)true zeolites
  (77.1.2)Chabazite and related species
 
77.1.2.1 Chabazite-Ca (Ca0.5,Na,K)4[Al4Si8O24]·12H2O P1 1
 
77.1.2.1a Chabazite-Na! (Na2,K2,Ca,Mg)[Al2Si4O12]·6(H2O) R 3m 3 2/m
 
77.1.2.1b Chabazite-K! (K2,Ca,Na2,Mg)[Al2Si4O12]·6(H2O) R 3m 3 2/m
 
77.1.2.1c Chabazite-Sr! (Sr,Ca,K2,Na2)[Al2Si4O12]·6(H2O) R 3m 3 2/m
 
77.1.2.2 Herschelite? (Na,Ca,K)AlSi2O6·3(H2O) R 3m 3 2/m
 
77.1.2.3 Willhendersonite KCaAl3Si3O12·5(H2O) P1 1
 
77.1.2.4 Offretite (K2,Ca,Mg)2.5Al5Si13O36·15(H2O) P 6m2 6 m2
 
77.1.2.5 Erionite-Na (Na2,K2,Ca)2[Al4Si14O36]·15(H2O) P 63/mmc 6/m 2/m 2/m
 
77.1.2.5a Erionite-K! (K2,Ca,Na2)2[Al4Si14O36]·15(H2O) P 63/mmc 6/m 2/m 2/m
 
77.1.2.5b Erionite-Ca! (Ca,K2,Na2)2[Al4Si14O36]·15(H2O) P 63/mmc 6/m 2/m 2/m
 
77.1.2.6 Gmelinite-Na (Na2,Ca)Al2Si4O12·6(H2O) P 63/mmc 6/m 2/m 2/m
 
77.1.2.6a Gmelinite-Ca! (Ca,Na2)Al2Si4O12·6(H2O) P 63/mmc 6/m 2/m 2/m
 
77.1.2.6b Gmelinite-K! (K,Na,Ca)6(Al7Si17O48)·22(H2O) P 63/mmc 6/m 2/m 2/m
 
77.1.2.7 Faujasite-Na (Na2,Ca,Mg)3.5[Al7Si17O48]·32(H2O) F d3m 4/m 3 2/m
 
77.1.2.7a Faujasite-Ca! (Ca,Na2,Mg)3.5[Al7Si17O48]·32(H2O) F d3m 4/m 3 2/m
 
77.1.2.7b Faujasite-Mg! (Mg,Na2,Ca)3.5[Al7Si17O48]·32(H2O) F d3m 4/m 3 2/m
 
77.1.2.8 Levyne-Ca (Ca,Na2,K2)Al2Si4O12·6(H2O) R 3m 3 2/m
 
77.1.2.8a Levyne-Na! (Na2,Ca,K2)Al2Si4O12·6(H2O) R 3m 3 2/m
 
77.1.2.9 Tschortnerite ! Ca4(Ca,Sr,K,Ba)3Cu3(OH)8[Si12Al12O48]·x(H2O),x>=20 F m3m 4/m 3 2/m
Help on  Strunz Class: Strunz Class: VIII/J.20-30 VIII - Silicates
  VIII/J - Tectosilicates (network), with zeolite-structure, Bladed Zeolites
  VIII/J.20 - Perhamite - Viseite series
 
VIII/J.20-10 Perhamite Ca3Al7(SiO4)3(PO4)4(OH)3·16.5(H2O) P 6/mmm 6/m 2/m 2/m
 
VIII/J.20-20 Viseite Ca10Al24(SiO4)6(PO4)7O22F3·72(H2O)(?) I a3d 4/m 3 2/m
 
VIII/J.20-30 Tschortnerite Ca4(Ca,Sr,K,Ba)3Cu3(OH)8[Si12Al12O48]·x(H2O),x>=20 F m3m 4/m 3 2/m
 

Other Tschortnerite Information

Help on References: References: NAME( AmMin) PHYS. PROP.(Am.Min.,Vol.83,p607-617,1998) OPTIC PROP.(AmMin)
Help on See Also: See Also: Links to other databases for Tschortnerite :
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

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Tschortnerite

Ca4(Ca,Sr,K,Ba)3Cu3(OH)8[Si12Al12O48]·x(H2O), x>=20
Dana No: 77.1.2.9 Strunz No: VIII/J.20-30
Locality:

 

Notes:

 

 
   
 
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