Shattuckite and Diaspore Physical Properties

Shattuckite

Diaspore

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1 Physical Properties

1.1 Tenacity

Not Available

Very brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.80-4.153.30-3.40

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

perfect along [010] and [100]

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

1.7 Mohs Hardness

3.5-46.5-7

2 10

1.8 Chemical Composition

Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Shattuckite and Diaspore Chemical Formula

While comparing Shattuckite 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 Shattuckite and Diaspore chemical formula.

Chemical formula of Shattuckite- Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Shattuckite and Diaspore Specific Gravity

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