Carletonite and Thulite Physical Properties

Carletonite

Thulite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.453.1

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on {001}, good on {110}

Perfect {010} imperfect {100}

1.7 Mohs Hardness

4-4.56-7

2 10

1.8 Chemical Composition

KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Ca₂Al₃(SiO₄)₃(OH)

Carletonite and Thulite Chemical Formula

While comparing Carletonite and Thulite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Carletonite and Thulite chemical formula.

Chemical formula of Carletonite- KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)

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Carletonite and Thulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carletonite and Thulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carletonite and Thulite Optical Properties during the identification of gemstone. Specific gravity of Carletonite is 3.1 whereas that of Thulite is 3.1.