Levyne-Ca Mineral Data

Advertisment

Your premier supplier of quality mineral specimens from Southern Africa and the world at large

For more than thirty (30) years, Excalibur Mineral Corp. has been providing private collectors, researchers, major universities and museums throughout the world with reliably identified, rare and unusual mineral samples for science an

Dakota Matrix was founded in 1996 and has offered systematic and rare mineral specimens online since 1998.

John Betts - Fine Minerals, New York. Dealers of Fine Minerals and Natural Crystal Clusters since 1989. We buy rock collections, we buy gem collections, we buy mineral collections.

General Levyne-Ca Information

Chemical Formula:

(Ca,Na2,K2)Al2Si4O12•6(H2O)

Composition:

Molecular Weight = 1,506.86 gm

Potassium 0.52 % K 0.63 % K₂O

Sodium 0.99 % Na 1.34 % Na₂O

Calcium 7.26 % Ca 10.16 % CaO

Aluminum 11.30 % Al 21.35 % Al₂O₃

Silicon 21.79 % Si 46.61 % SiO₂

Hydrogen 2.23 % H 19.92 % H₂O

Oxygen 55.91 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Ca_2.73Na_0.65K_0.2Al_6.31Si_11.69O₃₆•16.66(H₂O)

Environment:

Alteration of basaltic rocks.

IMA Status:

Valid Species 1997 (Pre-IMA) 1825

Locality:

Dalsnipa, Sandoy, Faroë Islands. Link to MinDat.org Location Data.

Name Origin:

Named for Armand Levy (1794-1841), French mineralogist and crystallographer, Paris University, France. Ca modifier added by zeolite nomenclature committee.

Name Pronunciation:

Levyne-Ca

Synonym:

Echellite

Levyne

Levynite

Levyne-Ca Image

Images:

Levyne-Ca

Comments: Vesicle in basalt matrix lined with white levyne crystals.
Location: Beech Creek Quarry, Mount Vernon, Grant Co., Oregon, USA. Scale: 32x22x20 mm.
© John Betts - Fine Minerals

Levyne-Ca Crystallography

Axial Ratios:

a:c = 1:1.72544

Cell Dimensions:

a = 13.338, c = 23.014, Z = 3; V = 3,545.72 Den(Calc)= 2.12

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/I_o): 4.1(1), 2.815(0.8), 8.19(0.65),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Gatta G D , Comodi P , Zanazzi P F , Ballaran T B , American Mineralogist , 90 (2005) p.645-652, Anomalous elastic behavior and high-pressure structural evolution of zeolite levyne, Locality: Beech Creek, Grant County, Oregon, P = .0001 GPa uncompressed

View Additional jPOWD Structure files for Levyne-Ca
[1] [2] [3] [4]

Physical Properties of Levyne-Ca

Cleavage:

{1011} Perfect

Color:

White, Grayish white, Reddish white, Yellowish white, Gray.

Density:

2.09 - 2.16, Average = 2.12

Diaphaneity:

Transparent to Translucent

Habit:

Fibrous - Crystals made up of fibers.

Habit:

Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)

Hardness:

4-4.5 - Between Fluorite and Apatite

Luster:

Vitreous (Glassy)

Magnetism:

Nonmagnetic

Streak:

white

Optical Properties of Levyne-Ca

Gladstone-Dale:

CI meas= 0 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.002 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2344,KPDmeas= 0.2339,KC= 0.234
Ncalc = 1.49 - 1.51

Optical Data:

Uniaxial (-), e=1.487-1.502, w=1.489-1.51, bire=0.0020-0.0080.

Calculated Properties of Levyne-Ca

Electron Density:

Bulk Density (Electron Density)=2.16 gm/cc
note: Specific Gravity of Levyne-Ca =2.13 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_Levyne-Ca= 2.16 barns/electron
U=PE_Levyne-Ca x r_electron= 4.66 barns/cc.

Radioactivity:

GRapi = 7.60 (Gamma Ray American Petroleum Institute Units)
Concentration of Levyne-Ca per GRapi unit = 13.16 (%)

Estimated Radioactivity from Levyne-Ca - barely detectable

Levyne-Ca Classification

Dana Class:

77.01.02.08 (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

Strunz Class:

09.GD.15 09 - SILICATES (Germanates)

09.G - Tektosilicates with Zeolitic H2O

09.GD -Chains of 6-membered rings – tabular zeolites

09.GD.15 Levyne-Ca (Ca,Na2,K2)Al2Si4O12•6(H2O) R 3m 3 2/m

09.GD.15 Levyne-Na! (Na2,Ca,K2)Al2Si4O12•6(H2O) R 3m 3 2/m

Other Levyne-Ca Information

References:

NAME( Dana8) PHYS. PROP.(CanMin, v 35, p 1586) OPTIC PROP.(Dana8)

See Also:

Links to other databases for Levyne-Ca :
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

Search for Levyne-Ca using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Levyne-Ca :

A Bijoux Google Search for Levyne-Ca
Adam's Minerals Google Search for Levyne-Ca
Cape Minerals Google Search for Levyne-Ca
Dakota Matrix Minerals Google Search for Levyne-Ca
Excalibur Mineral Corp. Google Search for Levyne-Ca
Exceptional Minerals Google Search for Levyne-Ca
John Betts Fine Minerals Search for Levyne-Ca
McDougall Minerals Google Search for Levyne-Ca
Mineral News Website Link
Rock and Mineral Shows Google Search for Levyne-Ca
Weinrich Minerals, Inc. Google Search for Levyne-Ca

Ask about Levyne-Ca here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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

Levyne-Ca

(Ca,Na2,K2)Al2Si4O12•6(H2O)
Dana No: 77.01.02.08 Strunz No: 09.GD.15
Locality:

Notes: