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Mottramite
Mottramite

Hyalite
Hyalite



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Mottramite
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Hyalite

Mottramite and Hyalite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Soluble
-
5.9
Sub-Conchoidal
None observed
3
PbCu(VO4)(OH)
 
-
-
-
-9999
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Mottramite and Hyalite Chemical Formula

While comparing Mottramite and Hyalite 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 Mottramite and Hyalite chemical formula.

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Mottramite and Hyalite Specific Gravity

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