Catapleiite Mineral Data

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General Catapleiite Information

Chemical Formula:

(Na,Ca,[ ])2ZrSi3O9•2(H2O)

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

Empirical Formula:

NaCa_0.9ZrSi₃O₉•2(H₂O)

IMA Status:

Valid Species (Pre-IMA) 1850

Locality:

Laven Island, Langesundfjord area, and Bratthagen, Norway. Link to MinDat.org Location Data.

Name Origin:

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

Name Pronunciation:

Catapleiite + Pronunciation

Catapleiite Image

Images:

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

Axial Ratios:

a:b:c =1.187:1:0.3688

Cell Dimensions:

a = 23.917, b = 20.148, c = 7.432, Z = 8; beta = 147.46° V = 1,926.36 Den(Calc)= 2.86

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)

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

By Intensity(I/I_o): 2.96(1), 3.05(1), 3.94(1),

Crystal Structure:

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Merlino S , Pasero M , Bellezza M , Pushcharovsky D Y , Gobetchia E R , Zubkova N V , Pekov I V , The Canadian Mineralogist , 42 (2004) p.1037-1045, The crystal structure of calcium catapleiite

View Additional jPOWD Structure files for Catapleiite
[1]

Physical Properties of Catapleiite

Cleavage:

{110} Perfect, {010} Perfect

Color:

Blue, Brown, Colorless, Yellow, Yellow brown.

Density:

2.75

Diaphaneity:

Transparent to translucent

Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Habit:

Platy - Sheet forms (e.g. micas).

Habit:

Pseudo Hexagonal - Crystals show a hexagonal outline.

Hardness:

6 - Orthoclase

Luminescence:

Fluorescent, Short UV=green, Long UV=green.

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Catapleiite

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

Optical Data:

Biaxial (+), a=1.591, b=1.592, g=1.627, bire=0.0360

Calculated Properties of Catapleiite

Electron Density:

Bulk Density (Electron Density)=2.69 gm/cc
note: Specific Gravity of Catapleiite =2.75 gm/cc.

Fermion Index:

Fermion Index = 0.03
Boson Index = 0.97

Photoelectric:

PE_Catapleiite= 30.87 barns/electron
U=PE_Catapleiite x rElectron Density= 83.13 barns/cc.

Radioactivity:

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

Catapleiite Classification

Dana Class:

59.02.02.01 (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 Catapleiite Information

References:

NAME( Ford32) PHYS. PROP.(www.saint-hilaire.ca) OPTIC PROP.(Ford32)

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 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - MinMax(Deutsch)
13 - MinMax(English)
14 - Mineralienatlas (Deutsch)
15 - QUT Mineral Atlas
16 - Ruff.Info
17 - WWW-MINCRYST

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

Catapleiite

(Na,Ca,[ ])2ZrSi3O9•2(H2O)
Dana No: 59.02.02.01 Strunz No: 09.CA.15
Locality:

Notes: