Hemimorphite and Star Sapphire Physical Properties

Hemimorphite

Star Sapphire

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.503.90-4.05

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

Not Available

1.6 Cleavage

Perfect on {110}, poor on {101}, {001} rare

Not Available

1.7 Mohs Hardness

5Not Available

2 10

1.8 Chemical Composition

Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Al 2O 3Ulrich Henn and Claudio C.

Hemimorphite and Star Sapphire Chemical Formula

While comparing Hemimorphite 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 Hemimorphite and Star Sapphire chemical formula.

Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

Compare Green Gemstones

Hemimorphite Vs Lazurite

Hemimorphite Vs Kornerupine

Hemimorphite Vs Kyanite Cyprine

Hemimorphite and Star Sapphire Specific Gravity

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