Phenakite and Diamond Physical Properties

Phenakite

Diamond

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-2.983.50-3.53

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

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

111 (perfect in four directions)

1.7 Mohs Hardness

7.5-810

2 10

1.8 Chemical Composition

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

Phenakite and Diamond Chemical Formula

While comparing Phenakite and Diamond 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 Phenakite and Diamond chemical formula.

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

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Phenakite and Diamond Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phenakite and Diamond Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Diamond Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 3.50-3.53 whereas that of Diamond is 3.50-3.53.