Rosasite and Variscite Physical Properties

Rosasite

Variscite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Effervesces in cold

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.22.42-2.58

1 7.18

1.5 Fracture

Splintery

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

1.6 Cleavage

Perfect on {100} and {010}

[010] perfect

1.7 Mohs Hardness

44-5

2 10

1.8 Chemical Composition

Not Available

AlPO₄ · 2(H₂O)

Rosasite and Variscite Chemical Formula

While comparing Rosasite 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 Rosasite and Variscite chemical formula.

Chemical formula of Variscite- AlPO₄ · 2(H₂O)

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Rosasite and Variscite Specific Gravity

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