Kunzite and Star Sapphire Physical Properties

Kunzite

Star Sapphire

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.213.90-4.05

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

1,2 prismatic

Not Available

1.7 Mohs Hardness

6-7Not Available

2 10

1.8 Chemical Composition

LiAlSi₂O₆

Al 2O 3Ulrich Henn and Claudio C.

Kunzite and Star Sapphire Chemical Formula

While comparing Kunzite and Star Sapphire 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 Star Sapphire chemical formula.

Chemical formula of Kunzite- LiAlSi₂O₆
Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

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Kunzite and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kunzite and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kunzite and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Kunzite is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.