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Mottramite
Mottramite

Grandidierite
Grandidierite



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Mottramite
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Grandidierite

Mottramite and Grandidierite 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)
 
-
-
-
2.85-3.00
Uneven
Perfect
7.5
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Mottramite and Grandidierite Chemical Formula

While comparing Mottramite and Grandidierite 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 Grandidierite chemical formula.

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Mottramite and Grandidierite Specific Gravity

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