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Catapleiite Mineral Data

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General Catapleiite Information

Help on Chemical  Formula: Chemical Formula: (Na,Ca,[ ])2ZrSi3O9•2(H2O)
Help on Composition: Composition: Molecular Weight = 414.57 gm
   Sodium      5.55 %  Na    7.48 % Na2O
   Calcium     8.70 %  Ca   12.17 % CaO
   Zirconium  22.00 %  Zr   29.72 % ZrO2
   Silicon    20.32 %  Si   43.48 % SiO2
   Hydrogen    0.97 %  H     8.69 % H2O
   Oxygen     42.45 %  O
             ______        ______ 
             100.00 %      101.54 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaCa0.9ZrSi3O9•2(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1850
Help on Locality: Locality: Laven Island, Langesundfjord area, and Bratthagen, Norway. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from the Greek for "wholly' and "full", because it is always accompanied by a number of rare minerals.
Help on Name Pronunciation: Name Pronunciation: Catapleiite + Pronunciation Say CATAPLEIITE

Catapleiite Image

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  Catapleiite   Aegirine

Comments: Clear crystals of catapleiite with an attached 1.8 cm prismatic crystal of dark aegirine.
Location: Mt. St. Hilaire, Quebec, Canada. Scale: 3.5 x 2.2 cm.
© John Veevaert

Catapleiite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.187:1:0.3688
Help on Cell Dimensions: Cell Dimensions: a = 23.917, b = 20.148, c = 7.432, Z = 8; beta = 147.46° V = 1,926.36 Den(Calc)= 2.86
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.96(1), 3.05(1), 3.94(1),

Physical Properties of Catapleiite

Help on Cleavage: Cleavage: {110} Perfect, {010} Perfect
Help on Color: Color: Blue, Brown, Colorless, Yellow, Yellow brown.
Help on Density: Density: 2.75
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Habit: Habit: Pseudo Hexagonal - Crystals show a hexagonal outline.
Help on Hardness: Hardness: 6 - Orthoclase
Help on Luminescence: Luminescence: Fluorescent, Short UV=green, Long UV=green.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Catapleiite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.014 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.052 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.211,KPDmeas= 0.2194,KC= 0.2225
Ncalc = 1.61 - 1.64
Help on Optical Data: Optical Data: Biaxial (+), a=1.591, b=1.592, g=1.627, bire=0.0360

Calculated Properties of Catapleiite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.69 gm/cc
note: Specific Gravity of Catapleiite =2.75 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PECatapleiite = 30.87 barns/electron
U=PECatapleiite x rElectron Density= 83.13 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Catapleiite is Not Radioactive

Catapleiite Classification

Help on  Dana Class: Dana Class: (59)Cyclosilicate Three-Membered Rings
  (59.02.02)Catapleiite group Catapleiite (Na,Ca,[])2ZrSi3O9•2(H2O) B2/b (pseudo-HEX) 2/m Calciocatapleiite (Ca,[])ZrSi3O9•2(H2O) Pbnn 2/m 2/m 2/m Gaidonnayite Na2ZrSi3O9•2(H2O) P 21nb mm2 Georgechaoite KNaZrSi3O9•2(H2O) P 21nb mm2 Loudounite NaCa5Zr4Si16O40(OH)11•8(H2O) Mono Bobtraillite! (Na,Ca)13Sr11(Zr,Y,Nb)14Si42B6O132(OH)12•12H2O P 3c1 3 2/m
Help on  Strunz Class: 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 Catapleiite Information

Help on References: References: NAME( Ford32) PHYS. PROP.(www.saint-hilaire.ca) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Catapleiite :
1 - Alkali-Nuts(English)
2 - Am. Min. Crystal Structure Database
3 - Amethyst Galleries' Mineral Gallery
4 - Athena
5 - EUROmin Project
6 - Ecole des Mines de Paris
7 - GeoScienceWorld
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - MinDAT
13 - Mineralienatlas (Deutsch)
14 - Online Mineral Museum
15 - QUT Mineral Atlas
16 - Ruff.Info

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Print or Cut-and-Paste your Catapleiite Specimen Label here :


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





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