Emerald and Painite Physical Properties

Emerald

Painite

Painite and Emerald Physical Properties

Physical Properties

Tenacity

Not Available

Solubility

Not Available

Durability

Hard

Not Available

Specific Gravity

2.67-2.78

4.00-4.03

Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Cleavage

Imperfect on the [0001]

Not Available

Mohs Hardness

7.5-8

Chemical Composition

Be₃Al₂SiO₆

CaZrBAl 9O 18Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties >>

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Emerald and Painite Chemical Formula

While comparing Emerald and Painite 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 Emerald and Painite chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆
Chemical formula of Painite- CaZrBAl 9O 18Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Emerald and Painite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Painite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Painite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 4.00-4.03 whereas that of Painite is 4.00-4.03.