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Carlhintzeite

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Carl Adolf Ferdinand Hintze
Formula:
Ca2[AlF6]F · H2O
Colour:
Colorless
Lustre:
Sub-Vitreous
Specific Gravity:
2.86
Crystal System:
Triclinic
Name:
Named in 1979 by Pete J. Dunn, Donald R. Peacor, and B. Darko Sturman in honor of Dr. Carl Adolf Ferdinand Hintze [August 17, 1851 Breslau, Germany {Wrocław, Poland} - December 28, 1916 Breslau, Germany {Wrocław, Poland}], Professor of Mineralogy and director of the Mineralogische Instituts, Univerity of Breslau, Breslau, Germany {Wrocław, Poland}. Hintze was acclaimed for his compilation of the famous systematic Handbuch der Mineralogie and particularly for its comprehensive listing of mineral localities.
This page provides mineralogical data about Carlhintzeite.


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Classification of CarlhintzeiteHide

Approved
3.CB.45

3 : HALIDES
C : Complex halides
B : Neso-aluminofluorides
11.6.7.1

11 : HALIDE COMPLEXES
6 : Aluminofluorides - Isolated Octahedra
8.6.15

8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
6 : Halides of Al

Physical Properties of CarlhintzeiteHide

Sub-Vitreous
Transparency:
Transparent, Translucent
Colour:
Colorless
Streak:
White
Tenacity:
Brittle
Cleavage:
None Observed
Density:
2.86 g/cm3 (Measured)    2.89 g/cm3 (Calculated)

Optical Data of CarlhintzeiteHide

Type:
Biaxial (+)
RI values:
nα = 1.411 nβ = 1.416 nγ = 1.422
2V:
Measured: 77° , Calculated: 78° to 86°
Birefringence:
0.011
Max Birefringence:
δ = 0.011
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v
Optical Extinction:
X ~ b, Z^c = 10°
Pleochroism:
Non-pleochroic

Chemical Properties of CarlhintzeiteHide

Formula:
Ca2[AlF6]F · H2O
IMA Formula:
Ca2AlF7 · H2O

Crystallography of CarlhintzeiteHide

Crystal System:
Triclinic
Cell Parameters:
a = 9.485 Å, b = 6.983 Å, c = 9.305 Å
α = 91.14°, β = 104.85°, γ = 90.0°
Ratio:
a:b:c = 1.358 : 1 : 1.333
Unit Cell V:
595.59 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Bladed crystals with {100}, {001}, and {110}. Elongated parallel to {110} and flattened 0n {001}.
Twinning:
Always twinned by rotation on {101}

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.56 (70)
3.69 (60)
3.48 (100)
2.852 (40)
2.277 (30)
2.242 (30)
1.460 (40)

Type Occurrence of CarlhintzeiteHide

General Appearance of Type Material:
Small white bladed crystals in open radial clusters
Geological Setting of Type Material:
Late-stage phosphate mineralization in granite pegmatite
Associated Minerals at Type Locality:

Synonyms of CarlhintzeiteHide

Other Language Names for CarlhintzeiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Goethite5 photos of Carlhintzeite associated with Goethite on mindat.org.
Strengite1 photo of Carlhintzeite associated with Strengite on mindat.org.
Leucophosphite1 photo of Carlhintzeite associated with Leucophosphite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

3.CB.05CryolithioniteNa3Li3[AlF6]2Iso. m3m (4/m 3 2/m) : Ia3d
3.CB.15CryoliteNa2NaAlF6Mon. 2/m
3.CB.15ElpasoliteK2NaAlF6Iso. m3 (2/m 3) : Pa3
3.CB.15SimmonsiteNa2LiAlF6Mon.
3.CB.20ColquiriiteCaLi[AlF6]Trig.
3.CB.25WeberiteNa2Mg[AlF6]FOrth. mmm (2/m 2/m 2/m) : Immm
3.CB.30KarasugiteSrCa[Al(F,OH)7]Mon.
3.CB.35UsoviteBa2CaMgAl2F14Mon.
3.CB.40PachnoliteNaCa[AlF6] · H2OMon. 2/m
3.CB.40ThomsenoliteNaCa[AlF6] · H2OMon. 2/m : P21/b
3.CB.50YaroslaviteCa3Al2F10(OH)2 · H2OOrth.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

8.6.1ZharchikhiteAlF(OH)2Mon.
8.6.2ChloraluminiteAlCl3 · 6H2OTrig.
8.6.3CadwaladeriteAlCl(OH)2 · 4H2OAmor.
8.6.4CryolithioniteNa3Li3[AlF6]2Iso. m3m (4/m 3 2/m) : Ia3d
8.6.5CryoliteNa2NaAlF6Mon. 2/m
8.6.6ChioliteNa5Al3F14Tet. 4/mmm (4/m 2/m 2/m) : P4/mnc
8.6.7ElpasoliteK2NaAlF6Iso. m3 (2/m 3) : Pa3
8.6.8WeberiteNa2Mg[AlF6]FOrth. mmm (2/m 2/m 2/m) : Immm
8.6.9Hydrokenoralstonite Na0.5(Al,Mg)2(F,OH)6•H2O Iso. m3m (4/m 3 2/m) : Fd3m
8.6.10KoeneniteNa4Mg9Al4Cl12(OH)22Trig. 3m (3 2/m) : R3m
8.6.11 Chlor-manasseiteMgxAl(OH)2x+2Cl · (x-0.8)H2O
x about 1.75
8.6.12GearksutiteCa[Al(F,OH)5(H2O)]Tric. 1 : P1
8.6.13ProsopiteCaAl2(F,OH)8Mon. 2/m : B2/b
8.6.14YaroslaviteCa3Al2F10(OH)2 · H2OOrth.
8.6.16ColquiriiteCaLi[AlF6]Trig.
8.6.17ThomsenoliteNaCa[AlF6] · H2OMon. 2/m : P21/b
8.6.18PachnoliteNaCa[AlF6] · H2OMon. 2/m
8.6.19Zirklerite(Fe,Mg,Ca)9Al4Cl18(OH)12 · 14H2O (?)Trig.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for CarlhintzeiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist: 65: 205-206.
Canadian Mineralogist: 17: 103-105.

Internet Links for CarlhintzeiteHide

Localities for CarlhintzeiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Argentina
 
  • Córdoba
    • Punilla Department
Kampf, A.R., Colombo, F & González del Tánago, J. (2010):Carlhintzeite, Ca2AlF7·H2O, from the Gigante granitic pegmatite, Córdoba province, Argentina: description and crystal structure. Mineralogical Magazine. 74, 623-632 ; Kampf, A.R., F. Colombo, W.B. Simmons Jr., A. Falster, J.W. Nizamoff (2010): Galliskiite, Ca4Al2(PO4)2F8 x 5H2O, a new mineral from the Gigante granitic pegmatite, Cordoba province, Argentina. American Mineralogist. 95, 392-96
Brazil
 
  • Paraíba
    • Borborema mineral province
      • Pedra Lavrada
R. Wegner, H. Pöllmann, T. Witzke, & W. Schuckmann (1998): Colquiriite, carlhintzeite, ralstonite and pachnolite from Serra Branca-Pegmatite/Brazil.- Proceedings 17th General Meeting, IMA, August 1998, Toronto, A151
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Wolfach
        • Oberwolfach
          • Rankach valley
Markl, G. (2015) Schwarzwald: Lagerstätten und Mineralien aus vier Jahrhunderten. Band I - Nordschwarzwald & Grube Clara. Bode Verlag, Salzhemmendorf-Lauenstein, Germany, 672 pp. (in German) (p. 462); Slotta, C. (2016): Von Carlhintzeit bis Pradeit: Neue Mineralfunde aus dem Schwarzwald. Lapis 41 (2), 30-31. (in German)
  • Bavaria
    • Upper Palatinate
      • Pleystein
Dill, H.G., Weber, B. (2009), Pleystein-City on Pegmatite, 4th International Symposium on Granitic Pegmatites, Recife, Brazil.
      • Waidhaus
        • Hagendorf
[Canadian Mineralogist(1979) 17, 103-105; Nickel & Nichols, 1991, p34 - "Mineral Reference Manual"]
  • North Rhine-Westphalia
    • Sauerland
      • Iserlohn
        • Letmathe
Bender/Marl, D. & Krimmelbein/Altena, W. (1994) Aktuelle Übersicht: Mineralien der Zinkhütte Genna/Sauerland. Stand Juni 1994. Mineralien-Welt, 4/94, 10.
Italy
 
  • Sardinia
    • Carbonia-Iglesias Province
      • Domusnovas
Bortolozzi, G., Ciriotti, M. E., Galli, E., & Bonacina, E. (2007). Carlhintzeite e cowlesite della Sardegna: primi ritrovamenti italiani. Micro (UK report), 1/2007, 33-38.
Mineral and/or Locality  
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