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Clinokurchatovite Mineral Data |
General Clinokurchatovite Information |
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Ca(Mg,Fe++,Mn)B2O5 | |
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Molecular Weight = 178.53 gm | |
Calcium 22.45 % Ca 31.41 % CaO | ||
Magnesium 8.17 % Mg 13.55 % MgO | ||
Manganese 3.08 % Mn 3.97 % MnO | ||
Iron 9.38 % Fe 12.07 % FeO | ||
Boron 12.11 % B 39.00 % B2O3 | ||
Oxygen 44.81 % O | ||
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100.00 % 100.00 % = TOTAL OXIDE | ||
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CaMg0.6Fe2+0.3Mn2+0.1B2O5 | |
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Replacement of kurchatovite in boron-bearing rocks. | |
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Approved IMA 1983 | |
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Sayak-IV boron deposit, northeast Balkhash region, Kazakhstan. Link to MinDat.org Location Data. | |
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Named as the monoclinic dimorph of kurchatovite. | |
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ICSD 23013 | |
PDF 36-389 | ||
Clinokurchatovite Crystallography |
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a:b:c =1.1132:1:0.5105 | |
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a = 12.19, b = 10.95, c = 5.59, Z = 8; beta = 102° V = 729.85 Den(Calc)= 3.25 | |
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Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/b | |
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By Intensity(I/Io): 2.799(1), 3.045(1), 3.093(0.8), | |
Physical Properties of Clinokurchatovite |
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Light gray. | |
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3.07 - 3.08, Average = 3.07 | |
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4.5 - Between Fluorite and Apatite | |
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gray white | |
Optical Properties of Clinokurchatovite |
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CI meas= -0.055 (Good) - where the CI = (1-KPDmeas/KC) CI calc= 0.002 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2071,KPDmeas= 0.2189,KC= 0.2074 Ncalc = 1.64 - 1.67 |
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Biaxial (-), a=1.642-1.644, b=1.674-1.675, g=1.699-1.704, bire=0.0570-0.0600, 2V(Calc)=80-86, 2V(Meas)=82-88. | |
Calculated Properties of Clinokurchatovite |
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Bulk Density (Electron Density)=3.19 gm/cc note: Specific Gravity of Clinokurchatovite =3.25 gm/cc. |
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Fermion Index = 0.03 Boson Index = 0.97 |
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PEClinokurchatovite = 6.67 barns/electron U=PEClinokurchatovite x rElectron Density= 21.24 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Clinokurchatovite is Not Radioactive |
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Clinokurchatovite Classification |
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24.04.03.01 (24)Borates - Anhydrous | |
(24.04)where (A)2 (X2O5) | ||
(24.04.03)Dana Group | ||
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06.BA.10 06 - BORATES | |
06.B - Diborates | ||
06.BA -Neso-diborates with double triangles B2(O,OH)5; 2(2D); 2(2D) + OH, etc. | ||
Other Clinokurchatovite Information |
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NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | |
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Links to other databases for Clinokurchatovite : 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 Search for Clinokurchatovite using: Visit our Advertisers for Clinokurchatovite : Ask about Clinokurchatovite here : Print or Cut-and-Paste your Clinokurchatovite Specimen Label here :
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