Carletonite and Moldavite Physical Properties

Carletonite

Moldavite

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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

2.452.32-2.38

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Perfect on {001}, good on {110}

Not Available

1.7 Mohs Hardness

4-4.55.5

2 10

1.8 Chemical Composition

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

SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

Carletonite and Moldavite Chemical Formula

While comparing Carletonite and Moldavite 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 Moldavite 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 Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

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Carletonite and Moldavite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carletonite and Moldavite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carletonite and Moldavite Optical Properties during the identification of gemstone. Specific gravity of Carletonite is 2.32-2.38 whereas that of Moldavite is 2.32-2.38.