Beryl and Star Sapphire Physical Properties

Beryl

Star Sapphire

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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

2.60-2.903.90-4.05

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Imperfect on {0001}

Not Available

1.7 Mohs Hardness

7.5-8Not Available

2 10

1.8 Chemical Composition

Be₃Al₂Si₆O₁₈

Al 2O 3Ulrich Henn and Claudio C.

Beryl and Star Sapphire Chemical Formula

While comparing Beryl 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 Beryl and Star Sapphire chemical formula.

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

Compare Blue Gemstones

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Beryl Vs Brucite

Beryl Vs Boleite

Beryl and Star Sapphire Specific Gravity

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