Diaspore and Mottramite Physical Properties

Diaspore

Mottramite

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1 Physical Properties

1.1 Tenacity

Very brittle

Brittle

1.2 Solubility

insoluble

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.405.9

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Sub-Conchoidal, Brittle, Metallic

1.6 Cleavage

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

None observed

1.7 Mohs Hardness

6.5-73

2 10

1.8 Chemical Composition

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

Not Available

Diaspore and Mottramite Chemical Formula

While comparing Diaspore and Mottramite 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 Mottramite chemical formula.

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

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Diaspore and Mottramite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Diaspore and Mottramite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Diaspore and Mottramite Optical Properties during the identification of gemstone. Specific gravity of Diaspore is 5.9 whereas that of Mottramite is 5.9.