Paulingite-Ca Mineral Data

Paulingite-Ca Mineral Data +

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General Paulingite-Ca Information

Chemical Formula:

(Ca,K,Na,Ba)5[Al10Si35O84]·34(H2O)

Composition:

Molecular Weight = 3,410.06 gm

Potassium 3.06 % K 3.69 % K₂O

Barium 0.40 % Ba 0.45 % BaO

Sodium 0.58 % Na 0.78 % Na₂O

Calcium 4.35 % Ca 6.08 % CaO

Aluminum 8.53 % Al 16.12 % Al₂O₃

Silicon 25.70 % Si 54.99 % SiO₂

Hydrogen 2.01 % H 17.96 % H₂O

Oxygen 55.36 % O

______ ______

100.00 % 100.07 % = TOTAL OXIDE

Empirical Formula:

Ca_3.7K_2.67Na_0.86Ba_0.1Al_10.78Si_31.21O₈₄·34(H₂O)

Environment:

Occurs in tholeiitic basalt and sandstone xenoliths in basalt.

IMA Status:

Approved IMA 1998 (Dana # Added)

Locality:

Ritter, Oregon, U.S.A. Link to MinDat.org Location Data.

Name Origin:

Named after Linus Carl Pauling (1901-1994), professor of chemistry, California Institute of Technology, Pasadena, CA, USA.

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Paulingite-Ca Crystallography

Cell Dimensions:

a = 35.088, Z = 16; V = 43,199.22 Den(Calc)= 2.10

Crystal System:

Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: Im3m

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

By Intensity(I/I_o): 3.0806(1), 8.2773(0.808), 3.2614(0.74),

Crystal Structure:

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Lengauer C L , Giester G , Tillmanns E , Mineralogical Magazine , 61 (1997) p.591-606, Mineralogical characterization of paulingite from Vinaricka Hora, Czech Republic, Locality: Vinaricka Hora, Czech Republic

Physical Properties of Paulingite-Ca

Color:

Colorless.

Density:

2.085

Diaphaniety:

Transparent

Hardness:

5 - Apatite

Luster:

Vitreous (Glassy)

Optical Properties of Paulingite-Ca

Gladstone-Dale:

CI meas= 0.008 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.015 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2274,KPDmeas= 0.229,KC= 0.2309

Optical Data:

Isotropic, n=1.473-1.482.

Calculated Properties of Paulingite-Ca

Electron Density:

r_electron=2.11 gm/cc
note: r_{Paulingite-Ca}=2.09 gm/cc.

Fermion Index

Fermion Index = 0.01305
Boson Index = 0.98695

Photoelectric:

PE_{Paulingite-Ca}= 3.71 barns/electron
U=PE_{Paulingite-Ca} x r_electron= 7.83 barns/cc.

Radioactivity:

GRapi = 44.81 (Gamma Ray American Petroleum Institute Units)

Estimated Radioactivity from Paulingite-Ca - barely detectable

Paulingite-Ca Classification

Dana Class:

77.1.3.9b (77)Tectosilicate Zeolite group

(77.1)true zeolites

(77.1.3)Gismondine and related species

77.1.3.1 Gismondine Ca2Al4Si4O16·9(H2O) P 2₁/c 2/m

77.1.3.2 Amicite K2Na2Al4Si4O16·5(H2O) I2 2

77.1.3.3 Garronite Na2Ca5Al12Si20O64·27(H2O) I 4₁/a 4/m

77.1.3.4 Gobbinsite (Na2,Ca)2K2Al6Si10O32·12(H2O) P mn2₁ mm2

77.1.3.5 Harmotome (Ba,Na,K)1-2(Si,Al)8O16·6(H2O) P 2₁/m 2/m

77.1.3.6 Phillipsite-Na (Na,K,Ca)1-2(Si,Al)8O16·6(H2O) P 2₁/m 2/m

77.1.3.6a Phillipsite-Ca! (Ca,K,Na)1-2(Si,Al)8O16·6(H2O) P 2₁/m 2/m

77.1.3.6b Phillipsite-K! (K,Na,Ca)1-2(Si,Al)8O16·6(H2O) P 2₁/m 2/m

77.1.3.8 Perlialite K8Tl4Al12Si24O72·20(H2O) P 6/mmm 6/m 2/m 2/m

77.1.3.9 Paulingite-K (K2,Ca,Na2,Ba)5Al10Si35O90·45(H2O) Im3m 4/m 3 2/m

77.1.3.9a Paulingite-Na! (Na2,K2,Ca,Ba)5Al10Si35O90·45(H2O) Im3m 4/m 3 2/m

77.1.3.9b Paulingite-Ca ! (Ca,K,Na,Ba)5[Al10Si35O84]·34(H2O) Im3m 4/m 3 2/m

77.1.3.10 Mazzite K2CaMg2(Al,Si)36O72·28(H2O) P 6₃/mmc 6/m 2/m 2/m

77.1.3.11 Merlinoite (K,Ca,Na,Ba)7Si23Al9O64·23(H2O) I mmm 2/m 2/m 2/m

77.1.3.12 Montesommaite (K,Na)9Al9Si23O64·10(H2O) F dd2 mm2

Strunz Class:

VIII/J.27-54 VIII - Silicates

VIII/J - Tectosilicates (network), with zeolite-structure, Bladed Zeolites

VIII/J.27 - Zeolite group, Analcime - Paulingite series

VIII/J.27-10 Analcime NaAlSi2O6·(H2O) P1 1

VIII/J.27-20 Pollucite (Cs,Na)2Al2Si4O12·(H2O) I a3d 4/m 3 2/m

VIII/J.27-30 Wairakite CaAl2Si4O12·2(H2O) I2/a 2/m

VIII/J.27-40 Faujasite-Na (Na2,Ca,Mg)3.5[Al7Si17O48]·32(H2O) F d3m 4/m 3 2/m

VIII/J.27-44 Faujasite-Mg! (Mg,Na2,Ca)3.5[Al7Si17O48]·32(H2O) F d3m 4/m 3 2/m

VIII/J.27-46 Faujasite-Ca! (Ca,Na2,Mg)3.5[Al7Si17O48]·32(H2O) F d3m 4/m 3 2/m

VIII/J.27-50 Paulingite-K (K2,Ca,Na2,Ba)5Al10Si35O90·45(H2O) Im3m 4/m 3 2/m

VIII/J.27-54 Paulingite-Ca (Ca,K,Na,Ba)5[Al10Si35O84]·34(H2O) Im3m 4/m 3 2/m

Other Paulingite-Ca Information

References:

NAME( CanMin, 8/99) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Paulingite-Ca :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas

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Paulingite-Ca

(Ca,K,Na,Ba)5[Al10Si35O84]·34(H2O)
Dana No: 77.1.3.9b Strunz No: VIII/J.27-54
Locality:

Notes: