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Chabazite-Ca Mineral Data

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General Chabazite-Ca Information

Help on Chemical  Formula: Chemical Formula: (Ca0.5,Na,K)4[Al4Si8O24]•12H2O
Help on Composition: Composition: Molecular Weight = 1,039.07 gm
   Potassium   0.75 %  K     0.91 % K2O
   Sodium      0.07 %  Na    0.09 % Na2O
   Strontium   0.25 %  Sr    0.30 % SrO
   Calcium     7.17 %  Ca   10.04 % CaO
   Magnesium   0.05 %  Mg    0.08 % MgO
   Aluminum   10.23 %  Al   19.33 % Al2O3
   Silicon    21.70 %  Si   46.43 % SiO2
   Hydrogen    2.55 %  H    22.82 % H2O
   Oxygen     57.22 %  O
             ______        ______ 
             100.00 %       99.99 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca1.86Na0.03K0.2Mg0.02Sr0.03Al3.94Si8.03O24•13.16(H2O)
Help on Environment: Environment: Amygdaloidal cavities of basalt and related rocks. Renamed chabazite-Ca by IMA zeolite committee.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1792
Help on Locality: Locality: Col de Lares, Val di Fassa, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From Gk. chabazios, tune or melody, one of twenty stones named in the poem Peri lithos, which extolled the virtues of minerals. The poem is ascribed to Orpheus, legendary founder of the Orphic cult, which flourished in
Help on Name Pronunciation: Name Pronunciation: Chabazite-Ca + Pronunciation Say CHABAZITE-CA
Help on Synonym: Synonym: Acadialite
  Adipite
  Chabazite
 

Chabazite-Ca Image

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  Chabazite-Ca

Comments: Colorless hexagonal plates of chabazite.
Location: Boral quarry, Bundoora, Victoria, Australia. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

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  Chabazite-Ca

Comments: Twinned, white, blocky crystals of chabazite on basalt matrix.
Location: Richmond, Melbourne, Victoria, Australia. Scale: 7x6x2 cm.
© John Betts - Fine Minerals

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  Chabazite-Ca

Comments: Pinkish orange colored chabazite-Ca displaying a blocky, near-cubic form of triclinic crystals.
Location: Imilchil, Anti-Atlas Morocco. Scale: 4.2 x 3.7 x 1.6 cm.
© Fabre Minerals

Chabazite-Ca Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.001:1:0.9957
Help on Cell Dimensions: Cell Dimensions: a = 9.45, b = 9.44, c = 9.4, Z = 1; alpha = 91.18°, beta = 94.08°, gamma = 94.07° V = 834.14 Den(Calc)= 2.07
Help on Crystal System: Crystal System: Triclinic - Pinacoidal H-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.925(1), 4.32(0.75), 9.35(0.5),2.89(0.3), 3.87(0.3), 5.02(0.3), 3.59(0.25),
 

Physical Properties of Chabazite-Ca

Help on Cleavage: Cleavage: {1011} Imperfect
Help on Color: Color: Colorless, Green, Yellow, White, Pink.
Help on Density: Density: 2.05 - 2.15, Average = 2.09
Help on Diaphaneity: Diaphaneity: Translucent to transparent
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Druse - Crystal growth in a cavity which results in numerous crystal tipped surfaces.
Help on Habit: Habit: Pseudo Cubic - Crystals show a cubic outline.
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Chabazite-Ca

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.031 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.017 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2337,KPDmeas= 0.2304,KC= 0.2378
Ncalc = 1.49 - 1.51
Help on Optical Data: Optical Data: Biaxial (+/-), a=1.478-1.485, b=1.48-1.4895, g=1.48-1.49, bire=0.0020-0.0050, 2V(Calc)=0-36, 2V(Meas)=0-32. Dispersion none.
 

Calculated Properties of Chabazite-Ca

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.11 gm/cc
note: Specific Gravity of Chabazite-Ca =2.07 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEChabazite-Ca = 2.39 barns/electron
U=PEChabazite-Ca x relectron= 5.04 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 11.07 (Gamma Ray American Petroleum Institute Units)
Concentration of Chabazite-Ca per GRapi unit = 9.03 (%)

Estimated Radioactivity from Chabazite-Ca - barely detectable

 

Chabazite-Ca Classification

Help on  Dana Class: Dana Class: 77.01.02.01 (77)Tectosilicate Zeolite group
  (77.01)true zeolites
  (77.01.02)Chabazite and related species
 
77.01.02.01 Chabazite-Ca (Ca0.5,Na,K)4[Al4Si8O24]•12H2O P1 1
 
77.01.02.01a Chabazite-Na! (Na2,K2,Ca,Mg)[Al2Si4O12]•6(H2O) R 3m 3 2/m
 
77.01.02.01b Chabazite-K! (K2,Ca,Na2,Mg)[Al2Si4O12]•6(H2O) R 3m 3 2/m
 
77.01.02.01c Chabazite-Sr! (Sr,Ca,K2,Na2)[Al2Si4O12]•6(H2O) R 3m 3 2/m
 
77.01.02.02 Herschelite? (Na,Ca,K)AlSi2O6•3(H2O) R 3m 3 2/m
 
77.01.02.03 Willhendersonite KCaAl3Si3O12•5(H2O) P1 1
 
77.01.02.04 Offretite (K2,Ca,Mg)2.5Al5Si13O36•15(H2O) P 6m2 6 m2
 
77.01.02.05 Erionite-Na (Na2,K2,Ca)2[Al4Si14O36]•15(H2O) P 63/mmc 6/m 2/m 2/m
 
77.01.02.05a Erionite-K! (K2,Ca,Na2)2[Al4Si14O36]•15(H2O) P 63/mmc 6/m 2/m 2/m
 
77.01.02.05b Erionite-Ca! (Ca,K2,Na2)2[Al4Si14O36]•15(H2O) P 63/mmc 6/m 2/m 2/m
 
77.01.02.06 Gmelinite-Na (Na2,Ca)Al2Si4O12•6(H2O) P 63/mmc 6/m 2/m 2/m
 
77.01.02.06a Gmelinite-Ca! (Ca,Na2)Al2Si4O12•6(H2O) P 63/mmc 6/m 2/m 2/m
 
77.01.02.06b Gmelinite-K! (K,Na,Ca)6(Al7Si17O48)•22(H2O) P 63/mmc 6/m 2/m 2/m
 
77.01.02.07 Faujasite-Na (Na2,Ca,Mg)3.5[Al7Si17O48]•32(H2O) F d3m 4/m 3 2/m
 
77.01.02.07a Faujasite-Ca! (Ca,Na2,Mg)3.5[Al7Si17O48]•32(H2O) F d3m 4/m 3 2/m
 
77.01.02.07b Faujasite-Mg! (Mg,Na2,Ca)3.5[Al7Si17O48]•32(H2O) F d3m 4/m 3 2/m
 
77.01.02.08 Levyne-Ca (Ca,Na2,K2)Al2Si4O12•6(H2O) R 3m 3 2/m
 
77.01.02.08a Levyne-Na! (Na2,Ca,K2)Al2Si4O12•6(H2O) R 3m 3 2/m
 
77.01.02.09 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: 09.GD.10 09 - SILICATES (Germanates)
  09.G - Tektosilicates with Zeolitic H2O
  09.GD -Chains of 6-membered rings � tabular zeolites
 
09.GD.10 Chabazite-K! (K2,Ca,Na2,Mg)[Al2Si4O12]•6(H2O) R 3m 3 2/m
 
09.GD.10 Chabazite-Ca (Ca0.5,Na,K)4[Al4Si8O24]•12H2O P1 1
 
09.GD.10 Chabazite-Na! (Na2,K2,Ca,Mg)[Al2Si4O12]•6(H2O) R 3m 3 2/m
 
09.GD.10 Herschelite? (Na,Ca,K)AlSi2O6•3(H2O) R 3m 3 2/m
 
09.GD.10 Chabazite-Sr! (Sr,Ca,K2,Na2)[Al2Si4O12]•6(H2O) R 3m 3 2/m
 
09.GD.10 Willhendersonite KCaAl3Si3O12•5(H2O) P1 1
 

Other Chabazite-Ca Information

Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(AntBidBlaNic2) OPTIC PROP.(Heinrich65)
Help on See Also: See Also: Links to other databases for Chabazite-Ca :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Athena
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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Print or Cut-and-Paste your Chabazite-Ca Specimen Label here :

Chabazite-Ca

(Ca0.5,Na,K)4[Al4Si8O24]•12H2O
Dana No: 77.01.02.01 Strunz No: 09.GD.10
Locality:

 

Notes:

 

 
   
 


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