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Carletonite

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Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada
© Rob Lavinsky

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Formula:
KNa
 
4
Ca
 
4
Si
 
8
O
 
18
(CO
 
3
)
 
4
(OH,F)·H
 
2
O
System:TetragonalColour:Colourless, light blue, ...
Lustre:VitreousHardness:4 - 4½
This page provides mineralogical data about Carletonite.

Classification of Carletonite

IMA status:Approved
Strunz 8th edition ID:8/H.07-10
Nickel-Strunz 10th (pending) edition ID:9.EB.20

9 : SILICATES (Germanates)
E : Phyllosilicates
B : Double nets with 4- and 6-membered rings
Dana 8th edition ID:72.3.1.4

72 : PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
3 : Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 3-, 4-, or 5-membered rings and 8-membered rings
Hey's CIM Ref.:17.4.8

17 : Silicates Containing other Anions
4 : Silicates with carbonates
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Type Occurrence of Carletonite

Type Locality:Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada
Year of Discovery:1971

Physical Properties of Carletonite

Lustre:Vitreous
Colour:Colourless, light blue, dark blue, or pink
Streak:White
Hardness (Mohs):4 - 4½

Crystallography of Carletonite

Crystal System:Tetragonal
Cell Parameters:a = 13.17Å, c = 16.69Å
Ratio:a:c = 1 : 1.267
Unit Cell Volume:V 2,894.86 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data: Peaks:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Optical Data of Carletonite

Type:Uniaxial (-)
RI values: nω = 1.521 nε = 1.517
Maximum Birefringence:δ = 0.004

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

Chemical Properties of Carletonite

Formula:
KNa
 
4
Ca
 
4
Si
 
8
O
 
18
(CO
 
3
)
 
4
(OH,F)·H
 
2
O
Essential elements:C, Ca, H, K, Na, O, Si
All elements listed in formula:C, Ca, F, H, K, Na, O, Si
Common Impurities:Ti,Al,Mg

Relationship of Carletonite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.EB.05Macdonaldite
BaCa
 
4
Si
 
16
O
 
36
(OH)
 
2
·10H
 
2
O
9.EB.05Rhodesite
KHCa
 
2
Si
 
8
O
 
19
·5H
 
2
O
9.EB.10Delhayelite
(Na,K)
 
10
Ca
 
5
Al
 
6
Si
 
32
O
 
80
(Cl
 
2
,F
 
2
,SO
 
4
)
 
3
·18H
 
2
O
9.EB.10Hydrodelhayelite
KCa
 
2
AlSi
 
7
O
 
17
(OH)
 
2
·6H
 
2
O
9.EB.15Monteregianite-(Y)
(Na,K)
 
6
(Y,Ca)
 
2
Si
 
16
O
 
38
·10H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
17.4.1Tilleyite
Ca
 
5
[(CO
 
3
)
 
2
|Si
 
2
O
 
7
]
17.4.2Spurrite
Ca
 
5
[CO
 
3
|(SiO
 
4
)
 
2
]
17.4.3Paraspurrite
Ca
 
5
[CO
 
3
|(SiO
 
4
)
 
2
]
17.4.4Scawtite
Ca
 
7
Si
 
6
(CO
 
3
)O
 
18
·2H
 
2
O
17.4.5Fukalite
Ca
 
4
[CO
 
3
|(HSiO
 
4
)
 
2
]
17.4.6Meionite
Ca
 
4
[CO
 
3
|(Al
 
2
Si
 
2
O
 
8
)
 
3
]
17.4.7Cancrinite
Na
 
6
Ca
 
2
[(CO
 
3
)
 
2
|Al
 
6
Si
 
6
O
 
24
] · 2H
 
2
O
17.4.9Iimoriite-(Y)
Y
 
2
[CO
 
3
|SiO
 
4
]
17.4.10Kainosite-(Y)
Ca
 
2
(Y,Ce)
 
2
Si
 
4
O
 
12
CO
 
3
·H
 
2
O
17.4.11Caysichite-(Y)
Ca
 
2
Y
 
2
Si
 
4
O
 
10
(CO
 
3
)
 
3
·4H
 
2
O
17.4.12Lepersonnite-(Gd)
Ca(Gd,Dy)
 
2
[(UO
 
2
)
 
6
(OH)
 
6
(CO
 
3
)
 
2
(SiO
 
4
)]
 
4
 ·48(H
 
2
O)
17.4.13Ashburtonite
Pb
 
4
Cu
 
4
[(OH)
 
3
|Cl|(HCO
 
3
)
 
4
|Si
 
4
O
 
12
] · H
 
2
O
17.4.14Surite
Pb(Pb,Ca)(CO
 
3
)
 
2
(Al,Fe,Mg)
 
2
(Si,Al)
 
4
O
 
10
(OH)
 
2
17.4.15Tundrite-(Ce)
Na
 
2
Ce
 
2
TiO
 
2
(SiO
 
4
)(CO
 
3
)
 
2
17.4.16Tundrite-(Nd)
Na
 
3
(Nd,La)
 
4
(Ti,Nb)
 
2
(SiO
 
4
)
 
2
(CO
 
3
)
 
3
O
 
4
(OH)·2H
 
2
O

Other Names for Carletonite

Synonyms:
IMA1969-016
Other Languages:
German:Carletonit
Russian:Карлетонит
Spanish:Carletonita

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 Carletonite

Reference List:American Mineralogist: 56: 1855-1866.

Chao, G.Y. (1972) The crystal structure of carletonite, KNa4Ca4Si8O18(CO3)4(F,OH)2O, a double sheet silicate. American Mineralogist: 57: 765-778.

Internet Links for Carletonite

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  • Raman and XRD data at RRUFF project
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  • Carletonite details from Handbook of Mineralogy (PDF)
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    Localities for Carletonite

    Hide Locality List
    The 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.
    (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.
    Canada
     
      • Montérégie
        • Rouville RCM
          • Mont Saint-Hilaire
    		Chao G.Y. (1971), Carletonite, KNa4Ca4Si8O18(CO3)4(F,OH) 7 H2O a new mineral from Mount St. Hilaire, Quebec. American Mineralogist: 56: 1855-1866; American Mineralogist (1971): 56, 354; Chao G.Y. (1972), The crystal structure of carletonite, KNa4Ca4Si8O18(CO3)4(F,OH)7 H2O, a double sheet silicate. American Mineralogist: 57: 765-778; Nickel & Nichols (1991) "Mineral Reference Manual" p35.; Mineralogical Record (2001) 32:248
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 13th Nov 2009 18:26:57