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Phenakite
Phenakite

Stolzite
Stolzite



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Phenakite
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Stolzite

Phenakite and Stolzite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.90-2.98
Conchoidal, ConchoidalWalter Schumann
Distinct on {11 2 0}, imperfect on {10 1 1}
7.5-8
Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
Brittle
-
-
2
Conchoidal, Uneven
Imperfect on {001}, indistinct on {011}
2.5-3
PbWO4

Phenakite and Stolzite Chemical Formula

While comparing Phenakite and Stolzite 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 Stolzite chemical formula.

  • Chemical formula of Phenakite- Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Stolzite- PbWO4

Phenakite and Stolzite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phenakite and Stolzite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Stolzite Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 2 whereas that of Stolzite is 2.