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Carletonite

Carletonite is a rare phyllosilicate mineral with formula KNa4Ca4(CO3)4Si8O18(F,OH)·(H2O). Its tetragonal crystals are a translucent blue, white, colorless or pink with a vitreous to dull lustre. It has a density of 2.45 and a hardness of 4–4.5.

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Birefringence
δ = 0.004
Category
Phyllosilicate minerals
Cleavage
Perfect on {001}, good on {110}
Colour
Colourless, light blue, dark blue, or pink
Crystal class
Ditetragonal dipyramidal (4/mmm) H–M symbol: (4/m 2/m 2/m)
Crystal habit
Prismatic crystals, massive

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Carletonite

Nodes28
Edges27
Triples23
Avg. degree1.93
Density0.071429
Components1

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Carletonite

Top relations

Birefringence · 1
Carletonite → δ = 0.004
Category · 1
Carletonite → Phyllosilicate minerals
Cleavage · 1
Carletonite → Perfect on {001}, good on {110}
Colour · 1
Carletonite → Colourless, light blue, dark blue, or pink
Crystal class · 1
Carletonite → Ditetragonal dipyramidal (4/mmm) H–M symbol: (4/m 2/m 2/m)
Crystal habit · 1
Carletonite → Prismatic crystals, massive
Crystal system · 1
Carletonite → Tetragonal
Diaphaneity · 1
Carletonite → Transparent to translucent
Formula · 1
Carletonite → KNa4Ca4(CO3)4Si8O18(F,OH)·(H2O)
Fracture · 1
Carletonite → Conchoidal

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Important terminology

mont phyllosilicate tetragonal quebec occurrence occurs formula kna4ca4 co3 4si8o18 oh h2o crystals translucent blue white pink vitreous lustre hardness

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
CarletoniteBirefringenceδ = 0.0041.00infobox
CarletoniteCategoryPhyllosilicate minerals1.00infobox
CarletoniteCleavagePerfect on {001}, good on {110}1.00infobox
CarletoniteColourColourless, light blue, dark blue, or pink1.00infobox
CarletoniteCrystal classDitetragonal dipyramidal (4/mmm) H–M symbol: (4/m 2/m 2/m)1.00infobox
CarletoniteCrystal habitPrismatic crystals, massive1.00infobox
CarletoniteCrystal systemTetragonal1.00infobox
CarletoniteDiaphaneityTransparent to translucent1.00infobox
CarletoniteFormulaKNa4Ca4(CO3)4Si8O18(F,OH)·(H2O)1.00infobox
CarletoniteFractureConchoidal1.00infobox
CarletoniteIMA symbolCto1.00infobox
CarletoniteLustreVitreous1.00infobox
CarletoniteMohs scale hardness4 - .mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-height:0;vertical-align:super}.mw-parser-output .frac…1.00infobox
CarletoniteOptical propertiesUniaxial (-)1.00infobox
CarletonitePleochroismWeak; O = pale blue; E = pale pinkish brown1.00infobox
CarletoniteRefractive indexnω = 1.521 nε = 1.5171.00infobox
CarletoniteSpace groupP4/mbm1.00infobox
CarletoniteSpecific gravity2.451.00infobox
CarletoniteStreakWhite1.00infobox
CarletoniteStrunz classification9.EB.201.00infobox
CarletoniteTenacityBrittle1.00infobox
CarletoniteUnit cella = 13.17 Å, c = 16.69 Å; Z = 41.00infobox
Carletoniteis arare phyllosilicate mineral with formula KNa4Ca40.90text

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