Calciocatapleiite Mineral Data

General Calciocatapleiite Information

Chemical Formula:

(Ca,[ ])ZrSi3O9•2(H2O)

Composition:

Molecular Weight = 391.58 gm

Calcium 9.21 % Ca 12.89 % CaO

Zirconium 23.30 % Zr 31.47 % ZrO₂

Silicon 21.52 % Si 46.03 % SiO₂

Hydrogen 1.03 % H 9.20 % H₂O

Oxygen 44.94 % O

______ ______

100.00 % 99.59 % = TOTAL OXIDE

Empirical Formula:

Ca_0.9ZrSi₃O₉•2(H₂O)

IMA Status:

Approved IMA 1964

Locality:

Burpala massif, northern Baikal area, Siberia, Russia. Link to MinDat.org Location Data.

Name Origin:

Named for the composition and from the Greek for "wholly' and "full", because it is always accompanied by a number of rare minerals.

Synonym:

Calcium-catapleiite - Renamed to Calciocatapeliite by Mineralogical Record, v39 (2008), p 131

Calciocatapleiite Crystallography

Axial Ratios:

a:b:c =0.5773:1:0.79

Cell Dimensions:

a = 7.378, b = 12.779, c = 10.096, Z = 4; V = 951.89 Den(Calc)= 2.73

Crystal System:

Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pbnn

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.96(1), 3.06(0.8), 3.96(0.8),

Physical Properties of Calciocatapleiite

Color:

Light yellow, Reddish brown, Cream.

Density:

2.77

Diaphaneity:

Translucent to Opaque

Hardness:

4.5-5 - Near Apatite

Luster:

Vitreous - Dull

Streak:

white

Optical Properties of Calciocatapleiite

Gladstone-Dale:

CI meas= -0.017 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.032 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2275,KPDmeas= 0.2242,KC= 0.2205
Ncalc = 1.6 - 1.61

Optical Data:

Uniaxial (+), w=1.603, e=1.639, bire=0.0360.

Calculated Properties of Calciocatapleiite

Electron Density:

Bulk Density (Electron Density)=2.72 gm/cc
note: Specific Gravity of Calciocatapleiite =2.77 gm/cc.

Fermion Index:

Fermion Index = 0.03
Boson Index = 0.97

Photoelectric:

PE_{Calciocatapleiite}= 32.55 barns/electron
U=PE_{Calciocatapleiite} x rElectron Density= 88.43 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Calciocatapleiite is Not Radioactive

Calciocatapleiite Classification

Dana Class:

59.02.02.02 (59)Cyclosilicate Three-Membered Rings

(59.02)hydrated

(59.02.02)Catapleiite group

59.02.02.01 Catapleiite (Na,Ca,[])2ZrSi3O9•2(H2O) B2/b (pseudo-HEX) 2/m

59.02.02.02 Calciocatapleiite (Ca,[])ZrSi3O9•2(H2O) Pbnn 2/m 2/m 2/m

59.02.02.03 Gaidonnayite Na2ZrSi3O9•2(H2O) P 2₁nb mm2

59.02.02.04 Georgechaoite KNaZrSi3O9•2(H2O) P 2₁nb mm2

59.02.02.05 Loudounite NaCa5Zr4Si16O40(OH)11•8(H2O) Mono

59.02.02.06 Bobtraillite! (Na,Ca)13Sr11(Zr,Y,Nb)14Si42B6O132(OH)12•12H2O P 3c1 3 2/m

Strunz Class:

09.CA.15 09 - SILICATES (Germanates)

09.C - Cyclosilicates

09.CA -[Si3O9]6- 3-membered single rings (dreier-Einfachringe),

09.CA.15 Calciocatapleiite (Ca,[])ZrSi3O9•2(H2O) Pbnn 2/m 2/m 2/m

09.CA.15 Catapleiite (Na,Ca,[])2ZrSi3O9•2(H2O) B2/b (pseudo-HEX) 2/m

Other Calciocatapleiite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990, CanMin, 42:1037) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Calciocatapleiite :
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 Calciocatapleiite Specimen Label here :

Calciocatapleiite

(Ca,[ ])ZrSi3O9•2(H2O)
Dana No: 59.02.02.02 Strunz No: 09.CA.15
Locality:

Notes:

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