Olekminskite Mineral Data

General Olekminskite Information

Chemical Formula:

Sr(Sr,Ca,Ba)(CO3)2

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

Empirical Formula:

SrSr_0.6Ca_0.3Ba_0.1(CO₃)₂

Environment:

Barytocalcite�quartz veins in intrusive breccia in an alkaline massif. Forms a series with paralstonite.

IMA Status:

Approved IMA 1991

Locality:

Kedrovyi massif, five km southeast of the Murun massif, Aldan Shield, Sakha, Russia. Link to MinDat.org Location Data.

Name Origin:

Named for Olekminsk, Russia, administrative center for the district in which the Kedrovyi massif is located.

Name Pronunciation:

Olekminskite + Pronunciation

Synonym:

IMA1989-047

Olekminskite Crystallography

Axial Ratios:

a:c = 1:0.70207

Cell Dimensions:

a = 8.66, c = 6.08, Z = 3; V = 394.88 Den(Calc)= 3.61

Crystal System:

Trigonal - Trapezohedral H-M Symbol (3 2) Space Group: P 3₂1

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.5(1), 2.03(0.9), 2.49(0.9),

Physical Properties of Olekminskite

Color:

White, Snow white.

Density:

3.7

Diaphaneity:

Transparent

Hardness:

3 - Calcite

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Olekminskite

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

Optical Data:

Uniaxial (-), e=1.527, w=1.67, bire=0.1430.

Calculated Properties of Olekminskite

Electron Density:

Bulk Density (Electron Density)=3.34 gm/cc
note: Specific Gravity of Olekminskite =3.61 gm/cc.

Fermion Index:

Fermion Index = 0.04
Boson Index = 0.96

Photoelectric:

PE_Olekminskite= 77.38 barns/electron
U=PE_Olekminskite x rElectron Density= 258.65 barns/cc.

Radioactivity:

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

Olekminskite Classification

Dana Class:

14.02.02.03 (14)Anhydrous Carbonates

(14.02)with Compound Formula A+ B++ (CO3)2

(14.02.02)Norsethite Group

14.02.02.01 Norsethite BaMg(CO3)2 R 32 3 2

14.02.02.02 Paralstonite BaCa(CO3)2 P 3₂1 3 2

14.02.02.03 Olekminskite Sr(Sr,Ca,Ba)(CO3)2 P 3₂1 3 2

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

References:

NAME( AntBidBlaNic3) PHYS. PROP.(Am.Min.,Vol.78,p451,1993) OPTIC PROP.(Am.Min.,Vol.78,p451,1993)

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
14 - WWW-MINCRYST

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

Olekminskite

Sr(Sr,Ca,Ba)(CO3)2
Dana No: 14.02.02.03 Strunz No: 05.AB.40
Locality:

Notes:

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