Variscite and Simpsonite Physical Properties

Variscite

Simpsonite

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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

2.42-2.58Not Available

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

[010] perfect

None

1.7 Mohs Hardness

4-57-7.5

2 10

1.8 Chemical Composition

AlPO₄ · 2(H₂O)

Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Variscite and Simpsonite Chemical Formula

While comparing Variscite and Simpsonite 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 Simpsonite chemical formula.

Chemical formula of Variscite- AlPO₄ · 2(H₂O)
Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

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Variscite and Simpsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Variscite and Simpsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Variscite and Simpsonite Optical Properties during the identification of gemstone. Specific gravity of Variscite is Not Available whereas that of Simpsonite is Not Available.