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Colquiriite

Big Photo

Serra Branca pegmatite, Pedra Lavrada, Borborema mineral province, Paraíba, Northeast Region, Brazil
© Christian Rewitzer

Show Colquiriite Photos (3)
Formula:
CaLi[AlF
 
6
]
System:Trigonal
This page provides mineralogical data about Colquiriite.

Classification of Colquiriite

IMA status:Approved
Strunz 8th edition ID:3/B.03-20
Nickel-Strunz 10th (pending) edition ID:3.CB.20

3 : HALIDES
C : Complex halides
B : Neso-aluminofluorides
Dana 8th edition ID:11.6.3.1

11 : HALIDE COMPLEXES
6 : Aluminofluorides - Isolated Octahedra
Hey's CIM Ref.:8.6.16

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

Type Locality:Colquiri mine, Colquiri, Inquisivi Province, La Paz Department, Bolivia
Year of Discovery:1980

Crystallography of Colquiriite

Crystal System:Trigonal
Cell Parameters:a = 5.02Å, c = 9.67Å
Ratio:a:c = 1 : 1.926
Unit Cell Volume:V 211.04 ų (Calculated from Unit Cell)

Optical Data of Colquiriite

Type:Uniaxial (-)
RI values: nω = 1.388 nε = 1.385
Maximum Birefringence:δ = 0.003

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate

Chemical Properties of Colquiriite

Formula:
CaLi[AlF
 
6
]
Essential elements:Al, Ca, F, Li
All elements listed in formula:Al, Ca, F, Li

Relationship of Colquiriite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
3.CB.05Cryolithionite
Na
 
3
Li
 
3
[AlF
 
6
]
 
2
3.CB.15Cryolite
Na
 
3
[AlF
 
6
]
3.CB.15Elpasolite
NaK
 
2
[AlF
 
6
]
3.CB.15Simmonsite
Na
 
2
Li[AlF
 
6
]
3.CB.25Weberite
Na
 
2
Mg[F|AlF
 
6
]
3.CB.30Karasugite
SrCa[Al(F,OH)
 
7
]
3.CB.35Usovite
Ba
 
2
CaMgAl
 
2
F
 
14
3.CB.40Pachnolite
NaCaAlF
 
6
·H
 
2
O
3.CB.40Thomsenolite
NaCaAlF
 
6
·H
 
2
O
3.CB.45Carlhintzeite
Ca
 
2
[F|AlF
 
6
] · H
 
2
O
3.CB.50Yaroslavite
Ca
 
3
Al
 
2
F
 
10
(OH)
 
2
·H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
8.6.1Zharchikhite
AlF(OH)
 
2
8.6.2Chloraluminite
AlCl
 
3
·6H
 
2
O
8.6.3Cadwaladerite
Al(OH)
 
2
Cl·4H
 
2
O
8.6.4Cryolithionite
Na
 
3
Li
 
3
[AlF
 
6
]
 
2
8.6.5Cryolite
Na
 
3
[AlF
 
6
]
8.6.6Chiolite
Na
 
5
Al
 
3
F
 
14
8.6.7Elpasolite
NaK
 
2
[AlF
 
6
]
8.6.8Weberite
Na
 
2
Mg[F|AlF
 
6
]
8.6.9Ralstonite
NaMgAl(F,OH)
 
6
·H
 
2
O
8.6.10Koenenite
Na
 
4
Mg
 
9
Al
 
4
Cl
 
12
(OH)
 
22
8.6.11 Chlor-manasseite
Mg
 
x
Al(OH)
 
2x+2
Cl·(x-0.8)H
 
2
O x about 1.75
8.6.12Gearksutite
Ca[Al(F,OH)
 
5
(H
 
2
O)]
8.6.13Prosopite
CaAl
 
2
(F,OH)
 
8
8.6.14Yaroslavite
Ca
 
3
Al
 
2
F
 
10
(OH)
 
2
·H
 
2
O
8.6.15Carlhintzeite
Ca
 
2
[F|AlF
 
6
] · H
 
2
O
8.6.17Thomsenolite
NaCaAlF
 
6
·H
 
2
O
8.6.18Pachnolite
NaCaAlF
 
6
·H
 
2
O
8.6.19Zirklerite
(Fe,Mg,Ca)
 
9
Al
 
4
Cl
 
18
(OH)
 
12
·14H
 
2
O (?)

Other Names for Colquiriite

Synonyms:
IMA1980-015
Other Languages:
German:Colquiriit
Spanish:Colquiriita

Other Information

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

References for Colquiriite

Reference List:American Mineralogist: 66: 879, 1099.

Internet Links for Colquiriite

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  • Raman and XRD data at RRUFF project
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    Localities for Colquiriite

    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Bolivia
     
    • La Paz Department
      • Inquisivi Province
        • Colquiri
    		TMPM 27 (1980), 275
    Brazil
     
    • Northeast Region
      • 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
    Mineral and/or Locality
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