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Pleonast
Pleonast

Phenakite
Phenakite



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Pleonast
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Phenakite

Pleonast and Phenakite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
Not Available2.90-2.98
Amber
1 7.18
1.5 Fracture
Not Available
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle
1.6 Cleavage
Not Available
Distinct on {11 2 0}, imperfect on {10 1 1}
1.7 Mohs Hardness
Not Available7.5-8
Amber
2 10
1.8 Chemical Composition
Not Available
Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Pleonast and Phenakite Chemical Formula

While comparing Pleonast 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 Pleonast and Phenakite chemical formula.

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  • Chemical formula of Phenakite- Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Pleonast and Phenakite Specific Gravity

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