Smithsonite and Vivianite Physical Properties

Smithsonite

Vivianite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.00-4.652.64-2.70

1 7.18

1.5 Fracture

Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

(e.g. graphite).

1.6 Cleavage

Perfect on [1011]

{010} Perfect

1.7 Mohs Hardness

5-5.5Not Available

2 10

1.8 Chemical Composition

ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Smithsonite and Vivianite Chemical Formula

While comparing Smithsonite and Vivianite 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 Smithsonite and Vivianite chemical formula.

Chemical formula of Smithsonite- ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

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Smithsonite and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smithsonite and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smithsonite and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Smithsonite is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.