Ruby and Hibschite Physical Properties

Ruby

Hibschite

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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

3.97-4.053.05-3.08

1 7.18

1.5 Fracture

Conchoidal

Uneven, Uneven, Irregular, Management Team (2012), Conchoidal, Brittle

1.6 Cleavage

No true cleavage

None

1.7 Mohs Hardness

96.5

2 10

1.8 Chemical Composition

Al ₂ O ₃

Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)

Ruby and Hibschite Chemical Formula

While comparing Ruby and Hibschite 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 Hibschite chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Hibschite- Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)

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Ruby and Hibschite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Hibschite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Hibschite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 3.05-3.08 whereas that of Hibschite is 3.05-3.08.