Aldzhanite Mineral Data

Aldzhanite Mineral Data
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General Aldzhanite Information

Help on Chemical Formula: Chemical Formula: CaMgB2O4Cl•7(H2O) (?)
Help on Composition: Composition: Molecular Weight = 311.56 gm
   Calcium    12.86 %  Ca   18.00 % CaO
   Magnesium   7.80 %  Mg   12.94 % MgO
   Boron       6.94 %  B    22.35 % B2O3
   Hydrogen    4.53 %  H    40.48 % H2O
   Chlorine   11.38 %  Cl   11.38 % Cl
                -   %   Cl   -2.57 % -O=Cl2   
   Oxygen     56.49 %  O
             ______        ______ 
             100.00 %      102.57 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaMgB2O4Cl•7(H2O)
Help on Environment: Environment: Found in the insoluble residues of carnallite-bischofite rock. A Cl and Mg rich Pentahydroborite. Poorly characterized material.
Help on IMA Status: IMA Status: Not Approved IMA 1972 - Published 1968
Help on Locality: Locality: Locality is not given, presumably in Kazakhstan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Not given in abstract.
 

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Aldzhanite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.8745:1:0.5613
Help on Cell Dimensions: Cell Dimensions: a = 12.76, b = 14.59, c = 8.19, Z = 6; V = 1,524.72 Den(Calc)= 2.04
Help on Crystal System: Crystal System: OrthorhombicSpace Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.46(1), 3.07(0.9), 2.548(0.8),
 

Physical Properties of Aldzhanite

Help on Color: Color: Colorless, Pale rose.
Help on Density: Density: 2.21
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 2-2.5 - Gypsum-Finger Nail
 

Optical Properties of Aldzhanite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.032 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.048 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.299,KPDmeas= 0.276,KC= 0.2853
Ncalc = 1.58 - 1.63
Help on Optical Data: Optical Data: Biaxial (?), a=1.6, g=1.62, bire=0.0200
 

Calculated Properties of Aldzhanite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.28 gm/cc
note: Specific Gravity of Aldzhanite =2.21 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEAldzhanite = 2.60 barns/electron
U=PEAldzhanite x rElectron Density= 5.94 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Aldzhanite is Not Radioactive
 

Aldzhanite Classification
Help on Dana Class: Dana Class: 13.00.00.00 (13)Carbonate Minerals
  (13.00)Without Dana Classification Numbers
  (13.00.00)Borate, Basic Hydrated Chloride
 
13.00.00.00 Aldzhanite* CaMgB2O4Cl•7(H2O)(?) Unk Ortho
 
13.00.00.00 Alfredstelznerite Ca4(H2O)4[B4O4(OH)6]4{H2O}15 P ca21 mm2
 
13.00.00.00 Balavinskite? Sr2B6O11•4(H2O) Mono ? Mono
 
13.00.00.00 IMA2008-069 Na3Y(CO3)3•6H2O P 63 6
 
13.00.00.00 Mackelveyite-(Y) NaBa3CaY(CO3)3(OH)6•3H2O P1 1
Help on Strunz Class: Strunz Class: 06.BC.10 06 - BORATES
  06.B - Diborates
  06.BC -Ino-diborates with triangles and/or tetrahedra
 
06.BC.10 Aldzhanite* CaMgB2O4Cl•7(H2O)(?) Unk Ortho
 
06.BC.10 Calciborite CaB2O4 Pccn 2/m 2/m 2/m
 

Other Aldzhanite Information
Help on References: References: NAME( AmMin, v56:1222) 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 Aldzhanite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

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Aldzhanite

CaMgB2O4Cl•7(H2O) (?)
Dana No: 13.00.00.00 Strunz No: 06.BC.10
Locality:

 

Notes: