Charlesite and Ruby Physical Properties

Charlesite

Ruby

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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

1.793.97-4.05

1 7.18

1.5 Fracture

Irregular/uneven, Brittle, Metallic

Conchoidal

1.6 Cleavage

Perfect on {10bar10}

No true cleavage

1.7 Mohs Hardness

2.59

2 10

1.8 Chemical Composition

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

Al ₂ O ₃

Charlesite and Ruby Chemical Formula

While comparing Charlesite and Ruby 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 Ruby chemical formula.

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

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Charlesite and Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Charlesite and Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Charlesite and Ruby Optical Properties during the identification of gemstone. Specific gravity of Charlesite is 3.97-4.05 whereas that of Ruby is 3.97-4.05.