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Sibirskite Mineral Data

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General Sibirskite Information

Help on Chemical  Formula: Chemical Formula: CaHBO3
Help on Composition: Composition: Molecular Weight = 99.89 gm
   Calcium   40.12 %  Ca   56.14 % CaO
   Boron     10.82 %  B    34.85 % B2O3
   Hydrogen   1.01 %  H     9.02 % H2O
   Oxygen    48.05 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaH(BO3)
Help on IMA Status: IMA Status: Approved IMA 1962
Help on Locality: Locality: Yuliya Svintsoviya deposit, Khakassy (Khakassiya) District, Siberia, Russia Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Siberia (sibirski).
Help on Name Pronunciation: Name Pronunciation: Sibirskite + Pronunciation Say SIBIRSKITE

Sibirskite Image

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Comments: Translucent granular sibirskite.
Location: Novofrolovskoye, Sverdlovsk District, Northern Urals, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Sibirskite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.9075:1:0.3745
Help on Cell Dimensions: Cell Dimensions: a = 8.643, b = 9.523, c = 3.567, Z = 4; beta = 119.23° V = 256.21 Den(Calc)= 2.59
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.606(1)(021 ), 2.956(0.81)(220 ), 2.959(0.72)(011 ),3.771(0.36)(200 ), 2.727(0.33)(2�21), 5.913(0.33)(110 ), 4.762(0.29)(020 ), 2.223(0.25)(320 ), 1.891(0.21)(041 ),

Physical Properties of Sibirskite

Help on Color: Color: Colorless, Dark gray.
Help on Diaphaneity: Diaphaneity: Transparent
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Sibirskite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= -0.069 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2389,KC= 0.2235
Ncalc = 1.58
Help on Optical Data: Optical Data: Biaxial (-), a=1.555, b=1.643, g=1.658, bire=0.1030, 2V(Calc)=42, 2V(Meas)=43.

Calculated Properties of Sibirskite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.59 gm/cc
note: Specific Gravity of Sibirskite =2.59 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PESibirskite = 5.05 barns/electron
U=PESibirskite x rElectron Density= 13.09 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sibirskite is Not Radioactive

Sibirskite Classification

Help on  Dana Class: Dana Class: (25)Anhydrous Borates Containing Hydroxyl or Halogen
  (25.02)Dana Type
  (25.02.02)Dana Group Sibirskite CaHBO3 P 21/a 2/m
Help on  Strunz Class: Strunz Class: 06.BC.20 06 - BORATES
  06.B - Diborates
  06.BC -Ino-diborates with triangles and/or tetrahedra
06.BC.20 Parasibirskite! Ca2B2O5•(H2O) P 21/m 2/m
06.BC.20 Sibirskite CaHBO3 P 21/a 2/m

Other Sibirskite Information

Help on References: References: PHYS. PROP.(Dana8, AmMin v93:1691) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Sibirskite :
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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Dana No: Strunz No: 06.BC.20





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