Plumbogummite and Diaspore Physical Properties

Plumbogummite

Diaspore

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1 Physical Properties

1.1 Tenacity

Brittle

Very brittle

1.2 Solubility

Soluble

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.0143.30-3.40

1 7.18

1.5 Fracture

Uneven, Conchoidal

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

None

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

1.7 Mohs Hardness

4-56.5-7

2 10

1.8 Chemical Composition

Not Available

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

Plumbogummite and Diaspore Chemical Formula

While comparing Plumbogummite and Diaspore 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 Plumbogummite and Diaspore chemical formula.

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

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Plumbogummite and Diaspore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Plumbogummite and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Plumbogummite and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Plumbogummite is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.