Mineralogy Database

Paulingite-K Mineral Data

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General Paulingite-K Information

Help on Chemical  Formula: Chemical Formula: (K2,Ca,Na2,Ba)5Al10Si35O90•45(H2O)
Help on Composition: Composition: Molecular Weight = 3,601.72 gm
   Potassium   4.82 %  K     5.81 % K2O
   Barium      0.69 %  Ba    0.77 % BaO
   Sodium      0.61 %  Na    0.82 % Na2O
   Calcium     2.09 %  Ca    2.93 % CaO
   Aluminum    7.36 %  Al   13.90 % Al2O3
   Silicon    25.12 %  Si   53.73 % SiO2
   Hydrogen    2.46 %  H    22.01 % H2O
   Oxygen     56.86 %  O
             ______        ______ 
             100.00 %       99.96 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K4.44Na0.95Ca1.88Ba0.18Al9.82Si32.21O84•44(H2O)
Help on Environment: Environment: Occurs in tholeiitic basalt and sandstone xenoliths in basalt.
Help on IMA Status: IMA Status: Approved IMA 1960
Help on Locality: Locality: Rock Island Dam, on the Columbia River, Wenatchee, Douglas Co., WA, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after Linus Carl Pauling (1901-1994), professor of chemistry, California Institute of Technology, Pasadena, CA, USA. K modifier added by zeolite nomenclature committee.
Help on Name Pronunciation: Name Pronunciation: Paulingite-K + Pronunciation Say PAULINGITE-K
Help on Synonym: Synonym: Paulingite

Paulingite-K Image

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Comments: Glassy clear micro crystals of paulingite line a vug in the basalt matrix.
Location: Ritter, Grant County, Oregon, USA. Scale: 2.5 x 2 cm.
© John Veevaert

Paulingite-K Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 35.08, Z = 16; V = 43,169.68 Den(Calc)= 2.22
Help on Crystal System: Crystal System: Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: Im3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.0806(1), 8.2773(0.808), 3.2614(0.74),

Physical Properties of Paulingite-K

Help on Cleavage: Cleavage: None
Help on Color: Color: Colorless, Light yellow, Orange, Red.
Help on Density: Density: 2.085 - 2.24, Average = 2.16
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Euhedral Crystals - Occurs as well-formed crystals showing good external form.
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: white

Optical Properties of Paulingite-K

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.061 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= 0.085 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2153,KPDmeas= 0.221,KC= 0.2354
Ncalc = 1.49 - 1.53
Help on Optical Data: Optical Data: Isotropic, n=1.472-1.484.

Calculated Properties of Paulingite-K

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.20 gm/cc
note: Specific Gravity of Paulingite-K =2.16 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEPaulingite-K = 4.67 barns/electron
U=PEPaulingite-K x relectron= 10.28 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 70.77 (Gamma Ray American Petroleum Institute Units)
Concentration of Paulingite-K per GRapi unit = 1.41 (%)

Estimated Radioactivity from Paulingite-K - barely detectable


Paulingite-K Classification

Help on  Dana Class: Dana Class: (77)Tectosilicate Zeolite group
  (77.01)true zeolites
  (77.01.03)Gismondine and related species Gismondine Ca2Al4Si4O16•9(H2O) P 21/c 2/m Amicite K2Na2Al4Si4O16•5(H2O) I2 2 Garronite Na2Ca5Al12Si20O64•27(H2O) I 41/a 4/m Gobbinsite (Na2,Ca)2K2Al6Si10O32•12(H2O) P mn21 mm2 Harmotome (Ba,Na,K)1-2(Si,Al)8O16•6(H2O) P 21/m 2/m Phillipsite-Na (Na,K,Ca)1-2(Si,Al)8O16•6(H2O) P 21/m 2/m Phillipsite-Ca! (Ca,K,Na)1-2(Si,Al)8O16•6(H2O) P 21/m 2/m Phillipsite-K! (K,Na,Ca)1-2(Si,Al)8O16•6(H2O) P 21/m 2/m Perlialite K8Tl4Al12Si24O72•20(H2O) P 6/mmm 6/m 2/m 2/m Paulingite-K (K2,Ca,Na2,Ba)5Al10Si35O90•45(H2O) Im3m 4/m 3 2/m Paulingite-Na! (Na2,K2,Ca,Ba)5Al10Si35O90•45(H2O) Im3m 4/m 3 2/m Paulingite-Ca! (Ca,K,Na,Ba)5[Al10Si35O84]•34(H2O) Im3m 4/m 3 2/m Mazzite-Mg K2CaMg2(Al,Si)36O72•28(H2O) P 63/mmc 6/m 2/m 2/m Mazzite-Na! Na8Al8Si28O72•30H2O P 63/mmc 6/m 2/m 2/m Merlinoite (K,Ca,Na,Ba)7Si23Al9O64•23(H2O) I mmm 2/m 2/m 2/m Montesommaite (K,Na)9Al9Si23O64•10(H2O) F dd2 mm2
Help on  Strunz Class: Strunz Class: 09.GC.35 09 - SILICATES (Germanates)
  09.G - Tektosilicates with Zeolitic H2O
  09.GC -Chains of doubly-connected 4-membered rings
09.GC.35 Paulingite-Ca! (Ca,K,Na,Ba)5[Al10Si35O84]•34(H2O) Im3m 4/m 3 2/m
09.GC.35 Paulingite-K (K2,Ca,Na2,Ba)5Al10Si35O90•45(H2O) Im3m 4/m 3 2/m
09.GC.35 Paulingite-Na! (Na2,K2,Ca,Ba)5Al10Si35O90•45(H2O) Im3m 4/m 3 2/m

Other Paulingite-K Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Paulingite-K :
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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Dana No: Strunz No: 09.GC.35





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