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About CarletoniteHide

Carleton University Coat of Arms
KNa4Ca4Si8O18(CO3)4(OH,F) · H2O
Colourless, light blue, dark blue, or pink
4 - 4½
Crystal System:
Named after Carleton University, Ottawa, Canada, where it was first studied and what was the main venue for the investigation of MSH minerals by Dr. G.Y. Chao from 1963 to 1995.

Classification of CarletoniteHide


9 : SILICATES (Germanates)
E : Phyllosilicates
B : Double nets with 4- and 6-membered rings

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

17 : Silicates Containing other Anions
4 : Silicates with carbonates

Pronounciation of CarletoniteHide

PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of CarletoniteHide

Transparent, Translucent
Colourless, light blue, dark blue, or pink
4 - 4½ on Mohs scale

Optical Data of CarletoniteHide

Uniaxial (-)
RI values:
nω = 1.521 nε = 1.517
Max Birefringence:
δ = 0.004
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:

Chemical Properties of CarletoniteHide

KNa4Ca4Si8O18(CO3)4(OH,F) · H2O
IMA Formula:
KNa4Ca4Si8O18(CO3)4(F,OH) · H2O
Common Impurities:

Crystallography of CarletoniteHide

Crystal System:
Class (H-M):
4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:
Cell Parameters:
a = 13.178 Å, c = 16.695 Å
a:c = 1 : 1.267
Unit Cell V:
2,899.25 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Type Occurrence of CarletoniteHide

Place of Conservation of Type Material:
Canadian Museum of Nature CMNMC 37135 HT specimen
Geological Setting of Type Material:
In an alkaline complex in marble xenoliths in nepheline syenite.

Synonyms of CarletoniteHide

Other Language Names for CarletoniteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Quartz4 photos of Carletonite associated with Quartz on mindat.org.
Calcite4 photos of Carletonite associated with Calcite on mindat.org.
Feldspar Group4 photos of Carletonite associated with Feldspar Group on mindat.org.
Pectolite2 photos of Carletonite associated with Pectolite on mindat.org.
Arfvedsonite2 photos of Carletonite associated with Arfvedsonite on mindat.org.
Fluoro-richterite1 photo of Carletonite associated with Fluoro-richterite on mindat.org.
Magnesio-arfvedsonite1 photo of Carletonite associated with Magnesio-arfvedsonite on mindat.org.
Steacyite1 photo of Carletonite associated with Steacyite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.EB.05MacdonalditeBaCa4Si16O36(OH)2 · 10H2OOrth.
9.EB.05RhodesiteKHCa2Si8O19 · 5H2OOrth. mmm (2/m 2/m 2/m)
9.EB.10Delhayelite(Na,K)10Ca5Al6Si32O80(Cl2,F2,SO4)3 · 18H2OOrth.
9.EB.10HydrodelhayeliteKCa2AlSi7O17(OH)2 · 6H2OOrth.
9.EB.15Monteregianite-(Y)(Na,K)6(Y,Ca)2Si16O38 · 10H2OMon. 2/m

Related Minerals - Dana Grouping (8th Ed.)Hide,OH) · 8H2OTet. 4/mmm (4/m 2/m 2/m) : P4/mnc · 8H2OOrth.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

17.4.4ScawtiteCa7(Si3O9)2CO3 · 2H2OMon. 2/m
17.4.5FukaliteCa4[Si2O6][CO3](OH)2Mon. 2/m : P21/b
17.4.6MeioniteCa4Al6Si6O24CO3Tet. 4/m : I4/m
17.4.7Cancrinite(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2OHex. 6 : P63
17.4.10Kainosite-(Y)Ca2(Y,Ce)2(Si4O12)(CO3) · H2OOrth. mmm (2/m 2/m 2/m)
17.4.11Caysichite-(Y)Ca2Y2Si4O10(CO3)3 · 4H2OOrth. mm2
17.4.12Lepersonnite-(Gd)Ca(Gd,Dy)2(UO2)24(SiO4)4(CO3)8(OH)24 · 48H2O
17.4.13AshburtonitePb4Cu4(Si4O12)(HCO3)4(OH)3Cl · H2OTet.
17.4.15Tundrite-(Ce)Na2Ce2Ti(SiO4)(CO3)2O2Tric. 1 : P1

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 CarletoniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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, 56, 1855-1866.
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.

Internet Links for CarletoniteHide

Localities for CarletoniteHide

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.
    • Montérégie
      • La Vallée-du-Richelieu 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.
Mineral and/or Locality  
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