Star Sapphire and Beryl Physical Properties

Star Sapphire

Beryl

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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

3.90-4.05

2.60-2.90

1.5 Fracture

Not Available

Uneven, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Uneven, Gems, Brittle

1.6 Cleavage

Not Available

Imperfect on {0001}

1.7 Mohs Hardness

Not Available

7.5-8

1.8 Chemical Composition

Al 2O 3Ulrich Henn and Claudio C.

Be₃Al₂Si₆O₁₈

Star Sapphire and Beryl Chemical Formula

While comparing Star Sapphire and Beryl 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 Star Sapphire and Beryl chemical formula.

Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.
Chemical formula of Beryl- Be₃Al₂Si₆O₁₈

Compare Blue Gemstones

Star Sapphire Vs Tortoiseshell

Star Sapphire Vs Verdite

Star Sapphire Vs Tourmaline

Star Sapphire and Beryl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Sapphire and Beryl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Sapphire and Beryl Optical Properties during the identification of gemstone. Specific gravity of Star Sapphire is 2.60-2.90 whereas that of Beryl is 2.60-2.90.

Blue Gemstones

Starlite

Strontium Titanate

Tanzanite

Topaz

Tortoiseshell

Tourmaline