Charlesite and Variscite Physical Properties

Charlesite

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

1.792.42-2.58

1 7.18

1.5 Fracture

Irregular/uneven, Brittle, Metallic

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

1.6 Cleavage

Perfect on {10bar10}

[010] perfect

1.7 Mohs Hardness

2.54-5

2 10

1.8 Chemical Composition

Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

AlPO₄ · 2(H₂O)

Charlesite and Variscite Chemical Formula

While comparing Charlesite 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 Charlesite and Variscite chemical formula.

Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
Chemical formula of Variscite- AlPO₄ · 2(H₂O)

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Charlesite and Variscite Specific Gravity

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