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Mottramite
Mottramite

Fayalite
Fayalite



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Mottramite
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Fayalite

Mottramite and Fayalite 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)
 
-
-
-
4.392
Conchoidal
{010} moderate, {100} imperfect
6.5-7
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Mottramite and Fayalite Chemical Formula

While comparing Mottramite and Fayalite 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 Fayalite chemical formula.

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Mottramite and Fayalite Specific Gravity

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