Ruby and Jadeite Physical Properties

Ruby

Jadeite

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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

3.97-4.053.28-3.38

1 7.18

1.5 Fracture

Conchoidal

Splintery, UnevenArthur Thomas, Difficult, Fibrous

1.6 Cleavage

No true cleavage

Good on [110]

1.7 Mohs Hardness

96.5-7

2 10

1.8 Chemical Composition

Al ₂ O ₃

NaAlSi 2O 6Ulrich Henn and Claudio C.

Ruby and Jadeite Chemical Formula

While comparing Ruby and Jadeite 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 Jadeite chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Jadeite- NaAlSi 2O 6Ulrich Henn and Claudio C.

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Ruby and Jadeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Jadeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Jadeite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 3.28-3.38 whereas that of Jadeite is 3.28-3.38.