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Hyalite
Hyalite

Piemontite
Piemontite



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Hyalite
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Piemontite

Hyalite and Piemontite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
 
Brittle
-
-
-9999
Uneven, Splintery
[001] good, [100] distinct
6-6.5
Ca2Al3(SiO4)(Si2O7)O(OH)

Hyalite and Piemontite Chemical Formula

While comparing Hyalite and Piemontite 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 Hyalite and Piemontite chemical formula.

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Hyalite and Piemontite Specific Gravity

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