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Mottramite
Mottramite

Feldspar
Feldspar



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Mottramite
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Feldspar

Mottramite and Feldspar 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)
 
-
-
-
2.56-2.75
Uneven, Conchoidal
two or three
6-6.5
KAlSi3O8

Mottramite and Feldspar Chemical Formula

While comparing Mottramite and Feldspar 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 Feldspar chemical formula.

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Mottramite and Feldspar Specific Gravity

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