Tuzlaite Mineral Data

Tuzlaite Mineral Data
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General Tuzlaite Information

Help on Chemical Formula: Chemical Formula: NaCaB508(0H)2•3(H2O)
Help on Composition: Composition: Molecular Weight = 333.17 gm
   Sodium     6.90 %  Na    9.30 % Na2O
   Calcium   12.03 %  Ca   16.83 % CaO
   Boron     16.22 %  B    52.24 % B2O3
   Hydrogen   2.42 %  H    21.63 % H2O
   Oxygen    62.43 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaCaB5O8(OH)2•3(H2O)
Help on Environment: Environment: Saline evaporite deposit, as veins in dolomitic marl between salt layers.
Help on IMA Status: IMA Status: Approved IMA 1994
Help on Locality: Locality: Tuzla salt mine, Bosnia-Herzegovina. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Tuzlaite Say TUZLAITE
Help on Synonym: Synonym: ICSD 75289
  IMA1993-022
  PDF 47-1759
 

Tuzlaite Image

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Tuzlaite

Comments: Prismatic colorless crystals of tuzlaite.
Location: Niedersachswerfen, Nordhausen, Harz Mts, Thuringia, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Tuzlaite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.4899:1:0.8631
Help on Cell Dimensions: Cell Dimensions: a = 6.506, b = 13.28, c = 11.462, Z = 4; beta = 92.97° V = 988.98 Den(Calc)= 2.24
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 8.638(1), 6.617(0.29), 2.868(0.24),
Click Here for Large Tuzlaite Structure Window Crystal Structure:

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Bermanec V , Armbruster T , Tibljas D , Sturman D , Kniewald G , American Mineralogist , 79 (1994) p.562-569, Tuzlaite, NaCa[B5O8(OH)2].3H2O, a new mineral with a pentaborate sheet, structure from the Tuzla salt mine, Bosnia and Hercegovina

 

Physical Properties of Tuzlaite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Colorless, White.
Help on Density: Density: 2.21
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 2-3 - Gypsum-Calcite
Help on Luster: Luster: Silky - Pearly
Help on Streak: Streak: white
 

Optical Properties of Tuzlaite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.034 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.02 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2436,KPDmeas= 0.2469,KC= 0.2389
Ncalc = 1.53 - 1.54
Help on Optical Data: Optical Data: Biaxial (+), a=1.532, b=1.544, g=1.561, bire=0.0290, 2V(Calc)=82, 2V(Meas)=80.9-82.
 

Calculated Properties of Tuzlaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.26 gm/cc
note: Specific Gravity of Tuzlaite =2.24 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PETuzlaite = 1.82 barns/electron
U=PETuzlaite x rElectron Density= 4.10 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tuzlaite is Not Radioactive
 

Tuzlaite Classification
Help on Dana Class: Dana Class: 26.05.12.02 (26)Hydrated Borates Containing Hydroxyl or Halogen
  (26.05)Dana Type
  (26.05.12)Dana Group
 
26.05.12.01 Probertite NaCaB5O7(OH)4•3(H2O) P 21/a 2/m
 
26.05.12.02 Tuzlaite NaCaB508(0H)2•3(H2O) P 21/c 2/m
Help on Strunz Class: Strunz Class: 06.EC.25 06 - BORATES
  06.E - Pentaborates
  06.EC -Phyllo-pentaborates
 
06.EC.25 Tuzlaite NaCaB508(0H)2•3(H2O) P 21/c 2/m
 

Other Tuzlaite Information
Help on References: References: NAME( AntBidBlaNic5) PHYS. PROP.(Am.Min.,Vol.79,p562-569,1994) OPTIC PROP.(Am.Min.,Vol.79,p562-569,1994)
Help on See Also: See Also: Links to other databases for Tuzlaite :
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
15 - WWW-MINCRYST

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Ask about Tuzlaite here :
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Print or Cut-and-Paste your Tuzlaite Specimen Label here :

Tuzlaite

NaCaB508(0H)2•3(H2O)
Dana No: 26.05.12.02 Strunz No: 06.EC.25
Locality:

 

Notes: