Halurgite Mineral Data

Halurgite Mineral Data
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General Halurgite Information

Help on Chemical Formula: Chemical Formula: Mg2[B4O5(OH)4]2•(H2O)
Help on Composition: Composition: Molecular Weight = 449.16 gm
   Magnesium  10.82 %  Mg   17.95 % MgO
   Boron      19.25 %  B    62.00 % B2O3
   Hydrogen    2.24 %  H    20.05 % H2O
   Oxygen     67.68 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg22(B4)2(O5)2(OH)4•(H2O)
Help on Environment: Environment: Occurrs in interstices and vugs in a rock salt diapir.
Help on IMA Status: IMA Status: Approved IMA 1962
Help on Locality: Locality: Chelkar salt dome, Ak-sa?i Valley, Uralsk district, Kazakhstan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the Institute of Halurgy, St. Petersburg, Russia, for its studies of saline deposits.
Help on Name Pronunciation: Name Pronunciation: Halurgite + Pronunciation Say HALURGITE
 

Halurgite Image

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Halurgite

Comments: Nearly opaque granular halurgite.
Location: Chelkar Salt Dome, Zapadno-Kazahstan, Kazakhstan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Halurgite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.7434:1:1.7368
Help on Cell Dimensions: Cell Dimensions: a = 13.25, b = 7.6, c = 13.2, Z = 4; beta = 92.2° V = 1,328.26 Den(Calc)= 2.25
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.29(1), 3.87(1), 4.81(0.9),
 

Physical Properties of Halurgite

Help on Color: Color: White.
Help on Density: Density: 2.19
Help on Hardness: Hardness: 2.5-3 - Finger Nail-Calcite
Help on Streak: Streak: white
 

Optical Properties of Halurgite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.057 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.029 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2443,KPDmeas= 0.251,KC= 0.2374
Ncalc = 1.52 - 1.53
Help on Optical Data: Optical Data: Biaxial (+), a=1.532, b=1.545, g=1.572, bire=0.0400, 2V(Calc)=72, 2V(Meas)=70.
 

Calculated Properties of Halurgite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.26 gm/cc
note: Specific Gravity of Halurgite =2.25 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.04
Boson Index = 0.96
Help on Photoelectric: Photoelectric: PEHalurgite = 0.52 barns/electron
U=PEHalurgite x rElectron Density= 1.17 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Halurgite is Not Radioactive
 

Halurgite Classification
Help on Dana Class: Dana Class: 26.04.04.01 (26)Hydrated Borates Containing Hydroxyl or Halogen
  (26.04)Dana Type
  (26.04.04)Dana Group
 
26.04.04.01 Halurgite Mg2[B4O5(OH)4]2•(H2O) P 2/c 2/m
Help on Strunz Class: Strunz Class: 06.HA.35 06 - BORATES
  06.H - Unclassified Borates
  06.HA -Unclassified borates
 
06.HA.35 Halurgite Mg2[B4O5(OH)4]2•(H2O) P 2/c 2/m
 

Other Halurgite 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 Halurgite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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Halurgite

Mg2[B4O5(OH)4]2•(H2O)
Dana No: 26.04.04.01 Strunz No: 06.HA.35
Locality:

 

Notes: