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Phenakite
Phenakite

Heliodor
Heliodor



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Phenakite
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Heliodor

Phenakite and Heliodor Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.90-2.98-9999
1 7.18
👆🏻

Fracture

Conchoidal, ConchoidalWalter Schumann
-

Cleavage

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

Mohs Hardness

7.5-87.5
2 10
👆🏻

Chemical Composition

Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Be3Al2Si6O18

Phenakite and Heliodor Chemical Formula

While comparing Phenakite and Heliodor 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 Heliodor chemical formula.

  • Chemical formula of Phenakite- Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Heliodor- Be3Al2Si6O18

Phenakite and Heliodor Specific Gravity

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