Hureaulite and Variscite Physical Properties

Hureaulite

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

3.192.42-2.58

1 7.18

1.5 Fracture

Brittle, Uneven

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

1.6 Cleavage

{???} Distinct

[010] perfect

1.7 Mohs Hardness

3.54-5

2 10

1.8 Chemical Composition

Mn2+5(PO 4) 2(PO 3OH) 2 · 4H 2O)Michael OâDonoghue , Gems, Sixth Edition (2006)

AlPO₄ · 2(H₂O)

Hureaulite and Variscite Chemical Formula

While comparing Hureaulite 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 Hureaulite and Variscite chemical formula.

Chemical formula of Hureaulite- Mn2+5(PO 4) 2(PO 3OH) 2 · 4H 2O)Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Variscite- AlPO₄ · 2(H₂O)

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Hureaulite and Variscite Specific Gravity

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