Charlesite and Sellaite Physical Properties

Charlesite

Sellaite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

1.79

Irregular/uneven

Perfect on {10bar10}

2.5

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

Brittle

3.14-3.16

Conchoidal

Perfect on {010} and {110}

5-5.5

MgF 2Ulrich Henn and Claudio C.

Charlesite and Sellaite Chemical Formula

While comparing Charlesite and Sellaite 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 Sellaite chemical formula.

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Charlesite and Sellaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Charlesite and Sellaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Charlesite Vs Sellaite during the identification of gemstone. Specific gravity of Charlesite is whereas that of Sellaite is .