Riebeckite and Charlesite Physical Properties

Riebeckite

Charlesite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.28-3.441.79

1 7.18

1.5 Fracture

Uneven, Splintery, Brittle

Irregular/uneven, Brittle, Metallic

1.6 Cleavage

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

Perfect on {10bar10}

1.7 Mohs Hardness

5.0-6.02.5

2 10

1.8 Chemical Composition

Not Available

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

Riebeckite and Charlesite Chemical Formula

While comparing Riebeckite and Charlesite 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 Riebeckite and Charlesite chemical formula.

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

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Riebeckite and Charlesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Riebeckite and Charlesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Riebeckite and Charlesite Optical Properties during the identification of gemstone. Specific gravity of Riebeckite is 1.79 whereas that of Charlesite is 1.79.