Charlesite and Crystal Opal Physical Properties

Charlesite

Crystal Opal

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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)

1.97-2.22

Conchoidal

None

5.5-6.5

SiO 2 + H 2OUlrich Henn and Claudio C.

Charlesite and Crystal Opal Chemical Formula

While comparing Charlesite and Crystal Opal 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 Crystal Opal chemical formula.

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Charlesite and Crystal Opal Specific Gravity

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