Vivianite and Scheelite Physical Properties

Vivianite

Scheelite

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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

2.64-2.705.9-6.3

1 7.18

1.5 Fracture

(e.g. graphite).

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Uneven

1.6 Cleavage

{010} Perfect

On {101}, distinct; on {112}, interrupted; on {001}, indistinct

1.7 Mohs Hardness

Not Available4.5-5

2 10

1.8 Chemical Composition

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

CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Vivianite and Scheelite Chemical Formula

While comparing Vivianite and Scheelite 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 Vivianite and Scheelite chemical formula.

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

Compare Blue Gemstones

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Vivianite Vs Zircon

Vivianite and Scheelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Scheelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Scheelite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 5.9-6.3 whereas that of Scheelite is 5.9-6.3.