Kunzite and Ruby Physical Properties

Kunzite

Ruby

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.21

3.97-4.05

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

Conchoidal

1.6 Cleavage

1,2 prismatic

No true cleavage

1.7 Mohs Hardness

6-7

1.8 Chemical Composition

LiAlSi₂O₆

Al ₂ O ₃

Kunzite and Ruby Chemical Formula

While comparing Kunzite 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 Kunzite and Ruby chemical formula.

Chemical formula of Kunzite- LiAlSi₂O₆
Chemical formula of Ruby- Al ₂ O ₃

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Kunzite and Ruby Specific Gravity

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