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Phenakite
Phenakite

Kurnakovite
Kurnakovite



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Phenakite
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Kurnakovite

Phenakite and Kurnakovite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
Soluble

Durability

-
-

Specific Gravity

2.90-2.981.847-1.852
1 7.18
👆🏻

Fracture

Conchoidal, ConchoidalWalter Schumann
Conchoidal

Cleavage

Distinct on {11 2 0}, imperfect on {10 1 1}
Poor to indistinct on {010}

Mohs Hardness

7.5-82-3
2 10
👆🏻

Chemical Composition

Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Ca3Al3(SiO4)3(OH)

Phenakite and Kurnakovite Chemical Formula

While comparing Phenakite and Kurnakovite 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 Kurnakovite chemical formula.

  • Chemical formula of Phenakite- Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Kurnakovite- Ca3Al3(SiO4)3(OH)

Phenakite and Kurnakovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phenakite and Kurnakovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Kurnakovite Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 1.847-1.852 whereas that of Kurnakovite is 1.847-1.852.