Mineralogy Database

Solongoite Mineral Data

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General Solongoite Information

Help on Chemical  Formula: Chemical Formula: Ca2B3O4(OH)4Cl
Help on Composition: Composition: Molecular Weight = 280.07 gm
   Calcium   28.62 %  Ca   40.05 % CaO
   Boron     11.58 %  B    37.29 % B2O3
   Hydrogen   1.44 %  H    12.87 % H2O
   Chlorine  12.66 %  Cl   12.66 % Cl
               -   %   Cl   -2.86 % -O=Cl2   
   Oxygen    45.70 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2B3O4(OH)4Cl
Help on Environment: Environment: Drillhole into a contact metamorphic boron deposit at a depth of 400 m.
Help on IMA Status: IMA Status: Approved IMA 1974
Help on Locality: Locality: Solongo boron deposit, Buryatia, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the Solongo (Buryat for rainbow, for the variety of boron minerals contained) deposit, Russia, from which it was first noted.
Help on Name Pronunciation: Name Pronunciation: Solongoite + Pronunciation Say SOLONGOITE

Solongoite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.0922:1:1.7272
Help on Cell Dimensions: Cell Dimensions: a = 7.93, b = 7.26, c = 12.54, Z = 4; beta = 94° V = 720.19 Den(Calc)= 2.58
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.196(1), 1.734(0.9), 7.84(0.9),

Physical Properties of Solongoite

Help on Color: Color: Colorless.
Help on Density: Density: 2.514
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Solongoite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.163 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.185 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2022,KPDmeas= 0.2075,KC= 0.248
Ncalc = 1.62 - 1.64
Help on Optical Data: Optical Data: Biaxial (+), a=1.51, b=1.51, g=1.545, bire=0.0350

Calculated Properties of Solongoite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.51 gm/cc
note: Specific Gravity of Solongoite =2.51 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PESolongoite = 4.48 barns/electron
U=PESolongoite x rElectron Density= 11.25 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Solongoite is Not Radioactive

Solongoite Classification

Help on  Dana Class: Dana Class: (25)Anhydrous Borates Containing Hydroxyl or Halogen
  (25.03)Dana Type
  (25.03.02)Dana Group Solongoite Ca2B3O4(OH)4Cl P 21/c 2/m
Help on  Strunz Class: Strunz Class: 06.CA.40 06 - BORATES
  06.C - Triborates
  06.CA -Neso-triborates
06.CA.40 Solongoite Ca2B3O4(OH)4Cl P 21/c 2/m

Other Solongoite Information

Help on References: References: NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Solongoite :
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.CA.40





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