Qilianshanite Mineral Data

Qilianshanite Mineral Data
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General Qilianshanite Information

Help on Chemical Formula: Chemical Formula: NaH4(CO3)(BO3)•2(H2O)
Help on Composition: Composition: Molecular Weight = 181.87 gm
   Sodium    12.64 %  Na   17.04 % Na2O
   Boron      5.94 %  B    19.14 % B2O3
   Hydrogen   4.43 %  H    39.62 % H2O
   Carbon     6.60 %  C    24.20 % CO2
   Oxygen    70.38 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaH4(CO3)(BO3)•2(H2O)
Help on Environment: Environment: Reaction of borate-rich waters with earlier sodium carbonates in a borate deposit.
Help on IMA Status: IMA Status: Approved IMA 1993
Help on Locality: Locality: Juhongtu borate deposit, Qilian Mountains, Qinghai Province, China. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Qilianshanite + Pronunciation Say QILIANSHANITE
Help on Synonym: Synonym: IMA1992-008
 

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Qilianshanite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =2.3266:1:0.9714
Help on Cell Dimensions: Cell Dimensions: a = 16.119, b = 6.928, c = 6.73, Z = 4; beta = 100.46° V = 739.07 Den(Calc)= 1.63
Help on Crystal System: Crystal System: Monoclinic - SphenoidalH-M Symbol (2) Space Group: C 2
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.464(1), 3.173(0.59), 1.731(0.19),
 

Physical Properties of Qilianshanite

Help on Cleavage: Cleavage: {100} Perfect, {010} Perfect
Help on Color: Color: Colorless.
Help on Density: Density: 1.706
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Qilianshanite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.023 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.022 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.265,KPDmeas= 0.2532,KC= 0.2593
Ncalc = 1.42 - 1.44
Help on Optical Data: Optical Data: Biaxial (-), a=1.351, b=1.459, g=1.486, bire=0.1350, 2V(Calc)=48, 2V(Meas)=50.
 

Calculated Properties of Qilianshanite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.68 gm/cc
note: Specific Gravity of Qilianshanite =1.63 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEQilianshanite = 0.48 barns/electron
U=PEQilianshanite x rElectron Density= 0.81 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Qilianshanite is Not Radioactive
 

Qilianshanite Classification
Help on Dana Class: Dana Class: 17.01.13.01 (17)Compound Carbonates
  (17.01)with miscellaneous formulae
  (17.01.13)Dana Group
 
17.01.13.01 Qilianshanite NaH4(CO3)(BO3)•2(H2O) C 2 2
Help on Strunz Class: Strunz Class: 06.HA.55 06 - BORATES
  06.H - Unclassified Borates
  06.HA -Unclassified borates
 
06.HA.55 Qilianshanite NaH4(CO3)(BO3)•2(H2O) C 2 2
 

Other Qilianshanite Information
Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Am.Min.,Vol.79,p765,1994) OPTIC PROP.(Am.Min.,Vol.79,p765,1994)
Help on See Also: See Also: Links to other databases for Qilianshanite :
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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Qilianshanite

NaH4(CO3)(BO3)•2(H2O)
Dana No: 17.01.13.01 Strunz No: 06.HA.55
Locality:

 

Notes: