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Piemontite
Piemontite

Phenakite
Phenakite



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Piemontite
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Phenakite

Piemontite and Phenakite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
-9999
Uneven, Splintery
[001] good, [100] distinct
6-6.5
Ca2Al3(SiO4)(Si2O7)O(OH)
 
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

Piemontite and Phenakite Chemical Formula

While comparing Piemontite and Phenakite 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 Piemontite and Phenakite chemical formula.

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Piemontite and Phenakite Specific Gravity

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