Dioptase and Phenakite Physical Properties

Dioptase

Phenakite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.352.90-2.98

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle

1.6 Cleavage

Perfect in three directions

Distinct on {11 2 0}, imperfect on {10 1 1}

1.7 Mohs Hardness

57.5-8

2 10

1.8 Chemical Composition

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

Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Dioptase and Phenakite Chemical Formula

While comparing Dioptase and Phenakite 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 Dioptase and Phenakite chemical formula.

Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

Dioptase Vs Feldspar

Dioptase Vs Euclase

Dioptase Vs Faustite

Dioptase and Phenakite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dioptase and Phenakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dioptase and Phenakite Optical Properties during the identification of gemstone. Specific gravity of Dioptase is 2.90-2.98 whereas that of Phenakite is 2.90-2.98.