Emerald and Dioptase Physical Properties

Emerald

Dioptase

Dioptase and Emerald Physical Properties

Physical Properties

Tenacity

Not Available

Brittle

Solubility

Not Available

Soluble

Durability

Hard

Not Available

Specific Gravity

2.67-2.78

3.25-3.35

Fracture

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

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

Cleavage

Imperfect on the [0001]

Perfect in three directions

Mohs Hardness

7.5-8

Chemical Composition

Be₃Al₂SiO₆

CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties >>

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Emerald and Dioptase Chemical Formula

While comparing Emerald and Dioptase 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 Dioptase chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆
Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Emerald and Dioptase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Dioptase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Dioptase Optical Properties during the identification of gemstone. Specific gravity of Emerald is 3.25-3.35 whereas that of Dioptase is 3.25-3.35.