Chabazite-Sr Mineral Data (original) (raw)

General Chabazite-Sr Information

Help on Chemical Formula: Chemical Formula:

(Sr,Ca,K2,Na2)[Al2Si4O12]•6(H2O)

Help on Composition: Composition:

Molecular Weight = 534.42 gm

Potassium 2.19 % K 2.64 % K2O

Sodium 0.86 % Na 1.16 % Na2O

Strontium 8.20 % Sr 9.69 % SrO

Calcium 3.75 % Ca 5.25 % CaO

Aluminum 11.61 % Al 21.94 % Al2O3

Silicon 18.92 % Si 40.47 % SiO2

Hydrogen 2.07 % H 18.54 % H2O

Oxygen 52.39 % O

______ ______

100.00 % 99.70 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

Sr0.5Ca0.5K0.3Na0.2Al2.3Si3.6O12•5.5(H2O)

Help on Environment: Environment:

Associated with cavities in corroded analcime in an aegirine pegmatite. Sr-analogue of chabazite

Help on IMA Status: IMA Status:

Approved IMA 1999, Dana # Added

Help on Locality: Locality:

Suoluaiv Mountain, Lovozero alkaline massif, Kola Peninsula, Russia. 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-Sr + Pronunciation Say CHABAZITE-SR

Help on Synonym: Synonym:

IMA1999-040

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Chabazite-Sr Crystallography

Help on Axial Ratios: Axial Ratios:

a:c = 1:1.10025

Help on Cell Dimensions: Cell Dimensions:

a = 13.715, c = 15.09, Z = 6; V = 2,458.17 Den(Calc)= 2.17

Help on Crystal System: Crystal System:

Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 2.92(1)(401), 9.38(0.8)(101), 1.697(0.7)(524,700,530),4.34(0.7)(211), 5.55(0.6)(021), 2.5(0.5),

Physical Properties of Chabazite-Sr

Help on Cleavage: Cleavage:

{101} Distinct

Help on Color: Color:

Colorless, Yellowish white.

Help on Density: Density:

2.16

Help on Diaphaneity: Diaphaneity:

Transparent

Help on Fracture: Fracture:

Brittle - Irregular - Very brittle fracture producing irregular fragments

Help on Habit: Habit:

Aggregates - Made of numerous individual crystals or clusters.

Help on Hardness: Hardness:

4-4.5 - Between Fluorite and Apatite

Help on Luster: Luster:

Vitreous (Glassy)

Help on Streak: Streak:

white

Optical Properties of Chabazite-Sr

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= -0.039 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.034 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2327,KPDmeas= 0.2338,KC= 0.2251
Ncalc = 1.49

Help on Optical Data: Optical Data:

Uniaxial (+), w=1.503, e=1.507, bire=0.0040.

Calculated Properties of Chabazite-Sr

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=2.18 gm/cc
note: Specific Gravity of Chabazite-Sr =2.17 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Help on Photoelectric: Photoelectric:

PEChabazite-Sr = 10.44 barns/electron
U=PEChabazite-Sr x relectron= 22.74 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 31.78 (Gamma Ray American Petroleum Institute Units)
Concentration of Chabazite-Sr per GRapi unit = 3.15 (%)

Estimated Radioactivity from Chabazite-Sr - barely detectable

Chabazite-Sr Classification

Help on Dana Class: Dana Class:

77.01.02.01c (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-Sr Information

Help on References: References:

NAME( AmMin, v 86, p 939) PHYS. PROP.(AmMin, v 86, p 939) OPTIC PROP.(AmMin, v 86, p939)

Help on See Also: See Also:

Links to other databases for Chabazite-Sr :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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

Chabazite-Sr

(Sr,Ca,K2,Na2)[Al2Si4O12]•6(H2O)
Dana No: 77.01.02.01c Strunz No: 09.GD.10
Locality:

Notes: