Peridot and Phenakite Physical Properties

Peridot

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

1.54-1.552.90-2.98

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

Poor

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

(Mg,Fe)₂SiO₄

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

Peridot and Phenakite Chemical Formula

While comparing Peridot 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 Peridot and Phenakite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Peridot and Phenakite Specific Gravity

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