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:
SrSr0.6 Ca0.3 Ba0.1 (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 32 1
X Ray Diffraction:
By Intensity(I/Io ): 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:
PEOlekminskite = 77.38 barns/electronU=PEOlekminskite x r Electron 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 32 1 3 2
14.02.02.03 Olekminskite Sr(Sr,Ca,Ba)(CO3)2 P 32 1 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 32 1 3 2
05.AB.40 Paralstonite BaCa(CO3)2 P 32 1 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:
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