Realgar and Aragonite Physical Properties

Realgar

Aragonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

3.56

2.93-2.96

1.5 Fracture

(e.g. graphite).

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

1.6 Cleavage

{010} Good

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

1.7 Mohs Hardness

Not Available

3.5-4

1.8 Chemical Composition

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Realgar and Aragonite Chemical Formula

While comparing Realgar 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 Realgar and Aragonite chemical formula.

Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Red Gemstones

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Realgar and Aragonite Specific Gravity

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