Kumdykolite Mineral Data

General Kumdykolite Information

Chemical Formula:

NaAlSi3O8

Composition:

Molecular Weight = 262.22 gm

Sodium 8.77 % Na 11.82 % Na₂O

Aluminum 10.29 % Al 19.44 % Al₂O₃

Silicon 32.13 % Si 68.74 % SiO₂

Oxygen 48.81 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

NaAlSi₃O₈

Environment:

High Pressure polymorph of albite. Feldspar group

IMA Status:

Proposed IMA 2007

Locality:

Kumdy Kol, Kokchetav, Northern Kazakhstan Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Synonym:

IMA2007-049

Search for Kumdykolite Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

Kumdykolite Crystallography

Axial Ratios:

a:b:c =0.9493:1:0.5576

Cell Dimensions:

a = 8.24, b = 8.68, c = 4.84, Z = 4; V = 346.17 Den(Calc)= 5.03

Crystal System:

OrthorhombicSpace Group: P 2nn or Pmnn

Optical Properties of Kumdykolite

Optical Data:

NCalc= 2.03 - from Gladstone-Dale relationship (KC = 0.2057) where Ncalc=Dcalc*KC+1

Calculated Properties of Kumdykolite

Electron Density:

Bulk Density (Electron Density)=4.99 gm/cc
note: Specific Gravity of Kumdykolite =5.03 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_Kumdykolite= 1.67 barns/electron
U=PE_Kumdykolite x rElectron Density= 8.35 barns/cc.

Radioactivity:

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

Kumdykolite Classification

Dana Class:

76.01.08.02 (76)Tectosilicate Al-Si Framework

(76.01)with Al-Si frameworks

(76.01.08)Hexagonal Feldspars (High Pressure)

76.01.08.01 Kokchetavite! KAlSi3O8 P 6/mmm(?) 6/m 2/m 2/m

76.01.08.02 Kumdykolite NaAlSi3O8 P 2nn or Pmnn Ortho

Strunz Class:

09.FA.45 09 - SILICATES (Germanates)

09.F - Tektosilicates without Zeolitic H2O

09.FA -Tektosilicates without additional non-tetrahedral anions, (Al,B):Si = 1:1

09.FA.45 Svyatoslavite CaAl2Si2O8 P 2₁ 2

09.FA.45 Kumdykolite NaAlSi3O8 P 2nn or Pmnn Ortho

Other Kumdykolite Information

See Also:

Links to other databases for Kumdykolite :
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 Kumdykolite using:

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

Visit our Advertisers for Kumdykolite :

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

Ask about Kumdykolite 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 Kumdykolite Specimen Label here :

Kumdykolite

NaAlSi3O8
Dana No: 76.01.08.02 Strunz No: 09.FA.45
Locality:

Notes: