Mineralogy Database

Carlhintzeite Mineral Data

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General Carlhintzeite Information

Help on Chemical  Formula: Chemical Formula: Ca2AlF7•(H2O)
Help on Composition: Composition: Molecular Weight = 258.14 gm
   Calcium   31.05 %  Ca   43.45 % CaO
   Aluminum  10.45 %  Al   19.75 % Al2O3
   Hydrogen   0.78 %  H     6.98 % H2O
   Oxygen     6.20 %  O
   Fluorine  51.52 %  F    51.52 % F
               -   %   F   -21.69 % -O=F2    
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2AlF7•(H2O)
Help on Environment: Environment: In a pegmatite.
Help on IMA Status: IMA Status: Approved IMA 1979
Help on Locality: Locality: Hagendorf, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Carl Hintze (1851-1916), German mineralogist, Professor of mineralogy at the University of Breslau and compiler of the "Handbuch der mineralogie."

Carlhintzeite Image

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Comments: Colorless tabular crystals of carlhintzeite on matrix.
Location: Hagendorf, Bayern, Germany. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Carlhintzeite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.3581:1:1.3323
Help on Cell Dimensions: Cell Dimensions: a = 9.48, b = 6.98, c = 9.3, Z = 4; alpha = 91.14°, beta = 104.85°, gamma = 90° V = 594.71 Den(Calc)= 2.88
Help on Crystal System: Crystal System: Triclinic Space Group: C1,C1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.48(1), 4.56(0.7), 3.69(0.6),

Physical Properties of Carlhintzeite

Help on Color: Color: Colorless, White.
Help on Density: Density: 2.86
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Druse - Crystal growth in a cavity which results in numerous crystal tipped surfaces.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Carlhintzeite

Help on Optical Data: Optical Data: Biaxial (+), a=1.411, b=1.416, g=1.422, bire=0.0110, 2V(Calc)=86, 2V(Meas)=77.

Calculated Properties of Carlhintzeite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.81 gm/cc
note: Specific Gravity of Carlhintzeite =2.88 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0004501122
Boson Index = 0.9995498878
Help on Photoelectric: Photoelectric: PECarlhintzeite = 4.46 barns/electron
U=PECarlhintzeite x rElectron Density= 12.55 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Carlhintzeite is Not Radioactive

Carlhintzeite Classification

Help on  Dana Class: Dana Class: (11)Halide Complexes; Alumino-fluorides
  (11.06)with miscellaneous formulae
  (11.06.07)Dana Group Carlhintzeite Ca2AlF7•(H2O) C1,C1 Tri
Help on  Strunz Class: Strunz Class: 03.CB.45 03 - HALIDES
  03.C - Complex Halides
  03.CB -Neso-aluminofluorides
03.CB.45 Carlhintzeite Ca2AlF7•(H2O) C1,C1 Tri

Other Carlhintzeite 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 Carlhintzeite :
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 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

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Dana No: Strunz No: 03.CB.45





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