Variscite and Unakite Physical Properties

Variscite

Unakite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.42-2.58

2.85-3.20

1.5 Fracture

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

Not Available

1.6 Cleavage

[010] perfect

Not Available

1.7 Mohs Hardness

4-5

6-7

1.8 Chemical Composition

AlPO₄ · 2(H₂O)

Not Available

Variscite and Unakite Chemical Formula

While comparing Variscite and Unakite 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 Variscite and Unakite chemical formula.

Chemical formula of Variscite- AlPO₄ · 2(H₂O)

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Variscite and Unakite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Variscite and Unakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Variscite and Unakite Optical Properties during the identification of gemstone. Specific gravity of Variscite is 2.85-3.20 whereas that of Unakite is 2.85-3.20.