Mineralogy Database

Paulingite-Na Mineral Data

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General Paulingite-Na Information

Help on Chemical  Formula: Chemical Formula: (Na2,K2,Ca,Ba)5Al10Si35O90•45(H2O)
Help on Composition: Composition: Molecular Weight = 3,756.91 gm
   Potassium   1.67 %  K     2.01 % K2O
   Barium      0.37 %  Ba    0.41 % BaO
   Sodium      1.84 %  Na    2.47 % Na2O
   Calcium     2.88 %  Ca    4.03 % CaO
   Aluminum    7.18 %  Al   13.57 % Al2O3
   Silicon    26.16 %  Si   55.98 % SiO2
   Hydrogen    2.41 %  H    21.58 % H2O
   Oxygen     57.49 %  O
             ______        ______ 
             100.00 %      100.04 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K1.6Ca2.7Na3Ba0.1Si35Al10O90•45(H2O)
Help on Environment: Environment: Occurs in tholeiitic basalt and sandstone xenoliths in basalt.
Help on IMA Status: IMA Status: Approved IMA 1998 (Dana # Added)
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. Named as the Na-dominant member ot the paulingite series.
Help on Name Pronunciation: Name Pronunciation: Paulingite-Na + Pronunciation Say PAULINGITE-NA

Paulingite-Na Image

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Comments: Druse of colorless dodecahedral paulingite-Na crystals coating vesicles in basalt.
Location: Near Ritter, Grant County, Oregon, USA. Scale: See Image.
© Rruff Database

Paulingite-Na Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 35.08, Z = 16; V = 43,169.68 Den(Calc)= 2.31
Help on Crystal System: Crystal System: Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: Im3m

Physical Properties of Paulingite-Na

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 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-Na

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.061 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= 0.121 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2069,KPDmeas= 0.221,KC= 0.2355
Ncalc = 1.49 - 1.54
Help on Optical Data: Optical Data: Isotropic, n=1.472-1.484.

Calculated Properties of Paulingite-Na

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.20 gm/cc
note: Specific Gravity of Paulingite-Na =2.16 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEPaulingite-Na = 3.24 barns/electron
U=PEPaulingite-Na x relectron= 7.14 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 24.49 (Gamma Ray American Petroleum Institute Units)
Concentration of Paulingite-Na per GRapi unit = 4.08 (%)

Estimated Radioactivity from Paulingite-Na - barely detectable


Paulingite-Na 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-Na Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Paulingite-Na :
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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