Mineralogy Database

Olekminskite Mineral Data

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General Olekminskite Information

Help on Chemical  Formula: Chemical Formula: Sr(Sr,Ca,Ba)(CO3)2
Help on Composition: Composition: Molecular Weight = 285.97 gm
   Barium      4.80 %  Ba    5.36 % BaO
   Strontium  49.02 %  Sr   57.98 % SrO
   Calcium     4.20 %  Ca    5.88 % CaO
   Carbon      8.40 %  C    30.78 % CO2
   Oxygen     33.57 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: SrSr0.6Ca0.3Ba0.1(CO3)2
Help on Environment: Environment: Barytocalcite´┐Żquartz veins in intrusive breccia in an alkaline massif. Forms a series with paralstonite.
Help on IMA Status: IMA Status: Approved IMA 1991
Help on Locality: Locality: Kedrovyi massif, five km southeast of the Murun massif, Aldan Shield, Sakha, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Olekminsk, Russia, administrative center for the district in which the Kedrovyi massif is located.
Help on Name Pronunciation: Name Pronunciation: Olekminskite + Pronunciation Say OLEKMINSKITE
Help on Synonym: Synonym: IMA1989-047

Olekminskite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.70207
Help on Cell Dimensions: Cell Dimensions: a = 8.66, c = 6.08, Z = 3; V = 394.88 Den(Calc)= 3.61
Help on Crystal System: Crystal System: Trigonal - Trapezohedral H-M Symbol (3 2) Space Group: P 321
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.5(1), 2.03(0.9), 2.49(0.9),

Physical Properties of Olekminskite

Help on Color: Color: White, Snow white.
Help on Density: Density: 3.7
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Olekminskite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.038 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.014 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1658,KPDmeas= 0.1618,KC= 0.1682
Ncalc = 1.61 - 1.62
Help on Optical Data: Optical Data: Uniaxial (-), e=1.527, w=1.67, bire=0.1430.

Calculated Properties of Olekminskite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.34 gm/cc
note: Specific Gravity of Olekminskite =3.61 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.04
Boson Index = 0.96
Help on Photoelectric: Photoelectric: PEOlekminskite = 77.38 barns/electron
U=PEOlekminskite x rElectron Density= 258.65 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Olekminskite is Not Radioactive

Olekminskite Classification

Help on  Dana Class: Dana Class: (14)Anhydrous Carbonates
  (14.02)with Compound Formula A+ B++ (CO3)2
  (14.02.02)Norsethite Group Norsethite BaMg(CO3)2 R 32 3 2 Paralstonite BaCa(CO3)2 P 321 3 2 Olekminskite Sr(Sr,Ca,Ba)(CO3)2 P 321 3 2
Help on  Strunz Class: Strunz Class: 05.AB.40 05 - CARBONATES (NITRATES)
  05.A - Carbonates without additional anions, without H2O
  05.AB -Alkali-earth (and other M2+) carbonates
05.AB.40 Olekminskite Sr(Sr,Ca,Ba)(CO3)2 P 321 3 2
05.AB.40 Paralstonite BaCa(CO3)2 P 321 3 2

Other Olekminskite Information

Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Am.Min.,Vol.78,p451,1993) OPTIC PROP.(Am.Min.,Vol.78,p451,1993)
Help on See Also: See Also: Links to other databases for Olekminskite :
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 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

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Dana No: Strunz No: 05.AB.40





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