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Hyalite
Hyalite

Foitite
Foitite



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Hyalite
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Foitite

Hyalite and Foitite Physical Properties

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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)
 
-
-
-
3.17
-
None
7
Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

Hyalite and Foitite Chemical Formula

While comparing Hyalite and Foitite 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 Foitite chemical formula.

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Hyalite and Foitite Specific Gravity

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