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Chalcedony
Chalcedony

Mellite
Mellite



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Chalcedony
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Mellite

Chalcedony and Mellite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
Soluble
-
2.55-2.70
Uneven, Splintery, Conchoidal
Absent
6.5-7
SiO2
 
-
-
-
1.58-1.60
Conchoidal
{011} Imperfect
2
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Chalcedony and Mellite Chemical Formula

While comparing Chalcedony and Mellite 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 Chalcedony and Mellite chemical formula.

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Chalcedony and Mellite Specific Gravity

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