Mineralogy Database

Chantalite Mineral Data

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General Chantalite Information

Help on Chemical  Formula: Chemical Formula: CaAl2SiO4(OH)4
Help on Composition: Composition: Molecular Weight = 254.15 gm
   Calcium   15.77 %  Ca   22.06 % CaO
   Aluminum  21.23 %  Al   40.12 % Al2O3
   Silicon   11.05 %  Si   23.64 % SiO2
   Hydrogen   1.59 %  H    14.18 % H2O
   Oxygen    50.36 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaAl2(SiO4)(OH)4
Help on Environment: Environment: Found in rodingitic dikes of the ophiolite zone.
Help on IMA Status: IMA Status: Approved IMA 1977
Help on Locality: Locality: Doganbaba, Burdur, Taurus Mts., SW Turkey. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Chantal Sarp (1944-), Swiss wife of its discoverer, Halil Sarp.
Help on Synonym: Synonym: ICSD 100320
  PDF 29-1410

Chantalite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:4.70012
Help on Cell Dimensions: Cell Dimensions: a = 4.952, c = 23.275, Z = 4; V = 570.76 Den(Calc)= 2.96
Help on Crystal System: Crystal System: Tetragonal - Dipyramidal H-M Symbol (4/m) Space Group: I 41/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.598(1), 4.171(0.7), 3.349(0.6),1.453(0.6), 2.24(0.5), 4.83(0.4), 2.2(0.3), 5.81(0.2),

Physical Properties of Chantalite

Help on Color: Color: Colorless, White.
Help on Density: Density: 2.8 - 2.9, Average = 2.84
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Anhedral Grains - Granular minerals without the expression of crystal shapes
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Chantalite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.002 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.035 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2188,KPDmeas= 0.2272,KC= 0.2268
Ncalc = 1.63 - 1.67
Help on Optical Data: Optical Data: Uniaxial (-), e=1.642, w=1.653, bire=0.0110.

Calculated Properties of Chantalite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.87 gm/cc
note: Specific Gravity of Chantalite =2.85 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0056176302
Boson Index = 0.9943823698
Help on Photoelectric: Photoelectric: PEChantalite = 2.99 barns/electron
U=PEChantalite x rElectron Density= 8.59 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Chantalite is Not Radioactive

Chantalite Classification

Help on  Dana Class: Dana Class: (78)Unclassified silicates
  (78.01)possible nesosilicates
  (78.01.02)Dana Group Chantalite CaAl2SiO4(OH)4 I 41/a 4/m
Help on  Strunz Class: Strunz Class: 09.AG.55 09 - SILICATES (Germanates)
  09.A - Nesosilicates
  09.AG -Nesosilicates with additional anions; cations in > [6] � [6] coordination
09.AG.55 Chantalite CaAl2SiO4(OH)4 I 41/a 4/m

Other Chantalite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Chantalite :
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: 09.AG.55





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