Ruby and Variscite Physical Properties

Ruby

Variscite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.97-4.052.42-2.58

1 7.18

1.5 Fracture

Conchoidal

Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle

1.6 Cleavage

No true cleavage

[010] perfect

1.7 Mohs Hardness

94-5

2 10

1.8 Chemical Composition

Al ₂ O ₃

AlPO₄ · 2(H₂O)

Ruby and Variscite Chemical Formula

While comparing Ruby and Variscite 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 Variscite chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Variscite- AlPO₄ · 2(H₂O)

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Ruby and Variscite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Variscite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Variscite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 2.42-2.58 whereas that of Variscite is 2.42-2.58.