Ruby and Charlesite Physical Properties

Ruby

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

3.97-4.051.79

1 7.18

1.5 Fracture

Conchoidal

Irregular/uneven, Brittle, Metallic

1.6 Cleavage

No true cleavage

Perfect on {10bar10}

1.7 Mohs Hardness

92.5

2 10

1.8 Chemical Composition

Al ₂ O ₃

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

Ruby and Charlesite Chemical Formula

While comparing Ruby 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 Ruby and Charlesite chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

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Ruby and Charlesite Specific Gravity

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