Diaspore and Aragonite Physical Properties

Diaspore

Aragonite

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1 Physical Properties

1.1 Tenacity

Very brittle

Brittle

1.2 Solubility

insoluble

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.402.93-2.96

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

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

Distinct on {010}, imperfect {110} and {011}

1.7 Mohs Hardness

6.5-73.5-4

2 10

1.8 Chemical Composition

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

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Diaspore and Aragonite Chemical Formula

While comparing Diaspore and Aragonite 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 Aragonite chemical formula.

Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Diaspore and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Diaspore and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Diaspore and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Diaspore is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.