Charlesite and Moldavite Physical Properties

Charlesite

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

1.792.32-2.38

1 7.18

1.5 Fracture

Irregular/uneven, Brittle, Metallic

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

1.6 Cleavage

Perfect on {10bar10}

Not Available

1.7 Mohs Hardness

2.55.5

2 10

1.8 Chemical Composition

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

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

Charlesite and Moldavite Chemical Formula

While comparing Charlesite 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 Charlesite and Moldavite chemical formula.

Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

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Charlesite and Moldavite Specific Gravity

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