Diaspore and Vesuvianite Physical Properties

Diaspore

Vesuvianite

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Physical Properties

Tenacity

Very brittle

Solubility

insoluble

Durability

Specific Gravity

3.30-3.403.32-3.43

1 7.18

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Fracture

Conchoidal

Cleavage

{010} perfect, {110} distinct, {100} in traces

Poor on {110} and {100} very poor on {001}

Mohs Hardness

6.5-76-7

2 10

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Chemical Composition

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4

Diaspore and Vesuvianite Chemical Formula

While comparing Diaspore and Vesuvianite 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 Diaspore and Vesuvianite chemical formula.

Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Vesuvianite- Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4

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Diaspore and Vesuvianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Diaspore and Vesuvianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Diaspore and Vesuvianite Optical Properties during the identification of gemstone. Specific gravity of Diaspore is 3.32-3.43 whereas that of Vesuvianite is 3.32-3.43.