Variscite and Hardystonite Physical Properties

Variscite

Hardystonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.42-2.583.396-3.443

1 7.18

1.5 Fracture

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

Brittle, Metallic

1.6 Cleavage

[010] perfect

[001] good, [100] and [110] fair

1.7 Mohs Hardness

4-53-4

2 10

1.8 Chemical Composition

AlPO₄ · 2(H₂O)

Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

Variscite and Hardystonite Chemical Formula

While comparing Variscite and Hardystonite 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 Hardystonite chemical formula.

Chemical formula of Variscite- AlPO₄ · 2(H₂O)
Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

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Variscite and Hardystonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Variscite and Hardystonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Variscite and Hardystonite Optical Properties during the identification of gemstone. Specific gravity of Variscite is 3.396-3.443 whereas that of Hardystonite is 3.396-3.443.