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Phenakite
Phenakite

Vesuvianite
Vesuvianite



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Phenakite
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Vesuvianite

Phenakite and Vesuvianite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.90-2.983.32-3.43
1 7.18
👆🏻

Fracture

Conchoidal, ConchoidalWalter Schumann
Conchoidal

Cleavage

Distinct on {11 2 0}, imperfect on {10 1 1}
Poor on {110} and {100} very poor on {001}

Mohs Hardness

7.5-86-7
2 10
👆🏻

Chemical Composition

Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4

Phenakite and Vesuvianite Chemical Formula

While comparing Phenakite and Vesuvianite 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 Vesuvianite chemical formula.

  • Chemical formula of Phenakite- Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Vesuvianite- Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4

Phenakite and Vesuvianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phenakite and Vesuvianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Vesuvianite Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 3.32-3.43 whereas that of Vesuvianite is 3.32-3.43.