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Phenakite
Phenakite

Rosasite
Rosasite



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Phenakite
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Rosasite

Phenakite and Rosasite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Effervesces in cold
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.90-2.984-4.2
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle
Splintery
1.6 Cleavage
Distinct on {11 2 0}, imperfect on {10 1 1}
Perfect on {100} and {010}
1.7 Mohs Hardness
7.5-84
Amber
2 10
1.8 Chemical Composition
Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Not Available

Phenakite and Rosasite Chemical Formula

While comparing Phenakite and Rosasite 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 Rosasite chemical formula.

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

Another important criteria for qualitative analysis of gemstones is Phenakite and Rosasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Rosasite Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 4-4.2 whereas that of Rosasite is 4-4.2.