Variscite and Ettringite Physical Properties

Variscite

Ettringite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Partially soluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

2.42-2.581.77

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

[010] perfect

Perfect on {10 1 0}

1.7 Mohs Hardness

4-52-2.5

2 10

1.8 Chemical Composition

AlPO₄ · 2(H₂O)

Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Variscite and Ettringite Chemical Formula

While comparing Variscite and Ettringite 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 Ettringite chemical formula.

Chemical formula of Variscite- AlPO₄ · 2(H₂O)
Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Gems for Virgo

Variscite Vs Aragonite

Variscite Vs Amazonite

Variscite Vs Garnet

Variscite and Ettringite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Variscite and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Variscite and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Variscite is 1.77 whereas that of Ettringite is 1.77.