Phenakite and Riesling Beryl Physical Properties

Phenakite

Riesling Beryl

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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

2.90-2.982.66-2.86

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

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

Not Available

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

Al 2Be 3Si 6O 18Martin H.

Phenakite and Riesling Beryl Chemical Formula

While comparing Phenakite and Riesling Beryl 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 Riesling Beryl chemical formula.

Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Riesling Beryl- Al 2Be 3Si 6O 18Martin H.

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Phenakite and Riesling Beryl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phenakite and Riesling Beryl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Riesling Beryl Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 2.66-2.86 whereas that of Riesling Beryl is 2.66-2.86.