Chrysoprase and Phenakite Physical Properties

Chrysoprase

Phenakite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.642.90-2.98

1 7.18

1.5 Fracture

Gems, Sixth Edition (2006)

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

1.6 Cleavage

None

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

1.7 Mohs Hardness

6.5-77.5-8

2 10

1.8 Chemical Composition

SiO₂ (with a high level of nickel impurities )

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

Chrysoprase and Phenakite Chemical Formula

While comparing Chrysoprase 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 Chrysoprase and Phenakite chemical formula.

Chemical formula of Chrysoprase- SiO₂ (with a high level of nickel impurities )
Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Chrysoprase and Phenakite Specific Gravity

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