Realgar and Ajoite Physical Properties

Realgar

Ajoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

3.562.96

1 7.18

1.5 Fracture

(e.g. graphite).

Not Available

1.6 Cleavage

{010} Good

Perfect on {010}

1.7 Mohs Hardness

Not Available5

2 10

1.8 Chemical Composition

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Realgar and Ajoite Chemical Formula

While comparing Realgar and Ajoite 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 Ajoite chemical formula.

Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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Realgar and Ajoite Specific Gravity

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