Diaspore and Atacamite Physical Properties

Diaspore

Atacamite

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1 Physical Properties

1.1 Tenacity

Very brittle

Brittle

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.403.745-3.776

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

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

Perfect on {010}, fair on {101}

1.7 Mohs Hardness

6.5-73-3.5

2 10

1.8 Chemical Composition

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

Cu2Cl(OH)3

Diaspore and Atacamite Chemical Formula

While comparing Diaspore and Atacamite 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 Atacamite chemical formula.

Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Atacamite- Cu2Cl(OH)3

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Diaspore and Atacamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Diaspore and Atacamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Diaspore and Atacamite Optical Properties during the identification of gemstone. Specific gravity of Diaspore is 3.745-3.776 whereas that of Atacamite is 3.745-3.776.