Ajoite and Variscite Physical Properties

Ajoite

Variscite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Decomposed by acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.962.42-2.58

1 7.18

1.5 Fracture

Not Available

Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle

1.6 Cleavage

Perfect on {010}

[010] perfect

1.7 Mohs Hardness

54-5

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

AlPO₄ · 2(H₂O)

Ajoite and Variscite Chemical Formula

While comparing Ajoite and Variscite 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 Ajoite and Variscite chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Variscite- AlPO₄ · 2(H₂O)

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Ajoite and Variscite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ajoite and Variscite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ajoite and Variscite Optical Properties during the identification of gemstone. Specific gravity of Ajoite is 2.42-2.58 whereas that of Variscite is 2.42-2.58.