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Kurumsakite Mineral Data

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General Kurumsakite Information

Help on Chemical  Formula: Chemical Formula: (Zn,Ni,Cu)8Al8V2Si5O35•27(H2O) (?)
Help on Composition: Composition: Molecular Weight = 2,003.89 gm
   Aluminum  10.77 %  Al   20.35 % Al2O3
   Vanadium   5.08 %  V     9.08 % V2O5
   Zinc       9.79 %  Zn   12.18 % ZnO
   Copper     6.34 %  Cu    7.94 % CuO
   Silicon    7.01 %  Si   14.99 % SiO2
   Nickel     8.79 %  Ni   11.18 % NiO
   Hydrogen   2.72 %  H    24.27 % H2O
   Oxygen    49.50 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zn3Ni3Cu2Al8V5+2Si5O35•27(H2O)
Help on Environment: Environment: Found in fractures in a bituminous schists.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1954
Help on Locality: Locality: Kurumsak, near Dzhambul, Karatau Mountanins, Kazakhstan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Kurumsakite + Pronunciation Say KURUMSAKITE

Kurumsakite Crystallography

Help on Crystal System: Crystal System: Orthorhombic Space Group: Unk

Physical Properties of Kurumsakite

Help on Color: Color: Greenish yellow, Bright yellow.
Help on Density: Density: 4.03
Help on Habit: Habit: Felted - Occurs as minute crystalling aggregates with the form of felt material.
Help on Habit: Habit: Massive - Fibrous - Distinctly fibrous fine-grained forms.
Help on Luster: Luster: Vitreous - Silky

Optical Properties of Kurumsakite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.358 (Poor) - where the CI = (1-KPDmeas/KC)
KPDmeas= 0.1535,KC= 0.2391
Ncalc = 1.96
Help on Optical Data: Optical Data: Biaxial (+), a=1.616, b=1.617, g=1.622-1.623, bire=0.0060-0.0070, 2V(Calc)=46-50, 2V(Meas)=35.

Calculated Properties of Kurumsakite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.03 gm/cc
note: Specific Gravity of Kurumsakite =4.03 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.008647965
Boson Index = 0.991352035
Help on Photoelectric: Photoelectric: PEKurumsakite = 12.36 barns/electron
U=PEKurumsakite x rElectron Density= 49.82 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kurumsakite is Not Radioactive

Kurumsakite Classification

Help on  Dana Class: Dana Class: (78)Unclassified silicates
  (78.01)possible nesosilicates
  (78.01.06)Dana Group Kurumsakite (Zn,Ni,Cu)8Al8V2Si5O35•27(H2O)(?) Unk Ortho
Help on  Strunz Class: Strunz Class: 09.EC.40 09 - SILICATES (Germanates)
  09.E - Phyllosilicates
  09.EC -Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets
09.EC.40 Almbosite? Fe5Fe4V4Si3O27 Ortho ? Ortho
09.EC.40 Beidellite Na0.5Al2(Si3.5Al0.5)O10(OH)2•n(H2O) C 2/m or ORTH 2/m
09.EC.40 Kurumsakite (Zn,Ni,Cu)8Al8V2Si5O35•27(H2O)(?) Unk Ortho
09.EC.40 Montmorillonite (Na,Ca)0,3(Al,Mg)2Si4O10(OH)2•n(H2O) C 2/m 2/m
09.EC.40 Nontronite Na0.3Fe2(Si,Al)4O10(OH)2•n(H2O) C 2/m 2/m
09.EC.40 Volkonskoite Ca0.3(Cr,Mg,Fe)2(Si,Al)4O10(OH)2•4(H2O) C 2/m 2/m
09.EC.40 Yakhontovite (Ca,K)0.5(Cu,Fe,Mg)2Si4O10(OH)2•3(H2O) C 2/m 2/m

Other Kurumsakite 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 Kurumsakite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Kurumsakite Specimen Label here :


(Zn,Ni,Cu)8Al8V2Si5O35•27(H2O) (?)
Dana No: Strunz No: 09.EC.40





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