Carlhintzeite Mineral Data
General Carlhintzeite Information
Chemical Formula:
Ca2AlF7•(H2O)
Composition:
Molecular Weight = 258.14 gm
Calcium 31.05 % Ca 43.45 % CaO
Aluminum 10.45 % Al 19.75 % Al2 O3
Hydrogen 0.78 % H 6.98 % H2 O
Oxygen 6.20 % O
Fluorine 51.52 % F 51.52 % F
- %
F -21.69 % -O=F2
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
Ca2 AlF7 •(H2 O)
Environment:
In a pegmatite.
IMA Status:
Approved IMA 1979
Locality:
Hagendorf, Germany. Link to MinDat.org Location Data.
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
Images:
Carlhintzeite Crystallography
Axial Ratios:
a:b:c =1.3581:1:1.3323
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
Crystal System:
Triclinic Space Group: C1 ,C1
X Ray Diffraction:
By Intensity(I/Io ): 3.48(1), 4.56(0.7), 3.69(0.6),
Physical Properties of Carlhintzeite
Color:
Colorless, White.
Density:
2.86
Diaphaneity:
Transparent
Habit:
Druse - Crystal growth in a cavity which results in numerous crystal tipped surfaces.
Habit:
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Habit:
Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Luster:
Vitreous (Glassy)
Streak:
white
Optical Properties of Carlhintzeite
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
Electron Density:
Bulk Density (Electron Density)=2.81 gm/cc note: Specific Gravity of Carlhintzeite =2.88 gm/cc.
Fermion Index:
Fermion Index = 0.0004501122 Boson Index = 0.9995498878
Photoelectric:
PECarlhintzeite = 4.46 barns/electronU=PECarlhintzeite x r Electron Density= 12.55 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Carlhintzeite is Not Radioactive
Carlhintzeite Classification
Dana Class:
11.06.07.01 (11) Halide Complexes; Alumino-fluorides
(11.06) with miscellaneous formulae
(11.06.07) Dana Group
11.06.07.01 Carlhintzeite Ca2AlF7•(H2O) C1 ,C1 Tri
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
References:
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
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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Carlhintzeite
Ca2AlF7•(H2O)
Dana No: 11.06.07.01 Strunz No: 03.CB.45
Locality:
Notes:
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