Emerald and Adamite Physical Properties

Emerald

Adamite

Adamite and Emerald Physical Properties

Physical Properties

Tenacity

Not Available

Brittle

Solubility

Not Available

Durability

Hard

Not Available

Specific Gravity

2.67-2.78

4.32-4.48

Fracture

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

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

Cleavage

Imperfect on the [0001]

{101}, good; {010}, poor

Mohs Hardness

7.5-8

3.5

Chemical Composition

Be₃Al₂SiO₆

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

Optical Properties >>

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Emerald and Adamite Chemical Formula

While comparing Emerald and Adamite 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 Adamite chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆
Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

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Emerald and Adamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Adamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Adamite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 4.32-4.48 whereas that of Adamite is 4.32-4.48.