Adamite and Realgar Physical Properties

Adamite

Realgar

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.32-4.48

3.56

1.5 Fracture

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

(e.g. graphite).

1.6 Cleavage

{101}, good; {010}, poor

{010} Good

1.7 Mohs Hardness

3.5

Not Available

1.8 Chemical Composition

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

Adamite and Realgar Chemical Formula

While comparing Adamite and Realgar 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 Adamite and Realgar chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

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Adamite and Realgar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adamite and Realgar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Realgar Optical Properties during the identification of gemstone. Specific gravity of Adamite is 3.56 whereas that of Realgar is 3.56.