Carletonite and Variscite Physical Properties

Carletonite

Variscite

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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

2.452.42-2.58

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle

1.6 Cleavage

Perfect on {001}, good on {110}

[010] perfect

1.7 Mohs Hardness

4-4.54-5

2 10

1.8 Chemical Composition

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

AlPO₄ · 2(H₂O)

Carletonite and Variscite Chemical Formula

While comparing Carletonite and Variscite 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 Variscite 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 Variscite- AlPO₄ · 2(H₂O)

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Carletonite and Variscite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carletonite and Variscite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carletonite and Variscite Optical Properties during the identification of gemstone. Specific gravity of Carletonite is 2.42-2.58 whereas that of Variscite is 2.42-2.58.