Adamite and Star Sapphire Physical Properties

Adamite

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

4.32-4.48

3.90-4.05

1.5 Fracture

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

Not Available

1.6 Cleavage

{101}, good; {010}, poor

Not Available

1.7 Mohs Hardness

3.5

Not Available

1.8 Chemical Composition

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

Al 2O 3Ulrich Henn and Claudio C.

Adamite and Star Sapphire Chemical Formula

While comparing Adamite 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 Adamite and Star Sapphire chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

Compare Blue Gemstones

Adamite Vs Anyolite

Adamite Vs Apatite

Adamite Vs Anhydrite

Adamite and Star Sapphire Specific Gravity

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