Phenakite and Aquamarine Physical Properties

Phenakite

Aquamarine

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-2.982.66-2.80

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

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

3,1 basal

1.7 Mohs Hardness

7.5-87.5-8

2 10

1.8 Chemical Composition

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

Be₃Al₂SiO₆

Phenakite and Aquamarine Chemical Formula

While comparing Phenakite and Aquamarine 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 Aquamarine chemical formula.

Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Aquamarine- Be₃Al₂SiO₆

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Phenakite and Aquamarine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phenakite and Aquamarine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Aquamarine Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 2.66-2.80 whereas that of Aquamarine is 2.66-2.80.