Holmquistite and Variscite Physical Properties

Holmquistite

Variscite

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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

2.95-3.132.42-2.58

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

{210} Perfect

[010] perfect

1.7 Mohs Hardness

5-64-5

2 10

1.8 Chemical Composition

Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

AlPO₄ · 2(H₂O)

Holmquistite and Variscite Chemical Formula

While comparing Holmquistite 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 Holmquistite and Variscite chemical formula.

Chemical formula of Holmquistite- Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Variscite- AlPO₄ · 2(H₂O)

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Holmquistite and Variscite Specific Gravity

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