Variscite and Neptunite Physical Properties

Variscite

Neptunite

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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

2.42-2.583.19-3.23

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

1.6 Cleavage

[010] perfect

{110} good

1.7 Mohs Hardness

4-55-6

2 10

1.8 Chemical Composition

AlPO₄ · 2(H₂O)

KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)

Variscite and Neptunite Chemical Formula

While comparing Variscite and Neptunite 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 Neptunite chemical formula.

Chemical formula of Variscite- AlPO₄ · 2(H₂O)
Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Gems for Virgo

Variscite Vs Garnet

Variscite Vs Aragonite

Variscite Vs Amazonite

Variscite and Neptunite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Variscite and Neptunite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Variscite and Neptunite Optical Properties during the identification of gemstone. Specific gravity of Variscite is 3.19-3.23 whereas that of Neptunite is 3.19-3.23.