Sheen Obsidian and Ajoite Physical Properties

Sheen Obsidian

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

2.33-2.502.96

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

Not Available

Perfect on {010}

1.7 Mohs Hardness

5-5.55

2 10

1.8 Chemical Composition

Not Available

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Sheen Obsidian and Ajoite Chemical Formula

While comparing Sheen Obsidian 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 Sheen Obsidian and Ajoite chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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Sheen Obsidian and Ajoite Specific Gravity

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