Vivianite and Leucite Physical Properties

Vivianite

Leucite

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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

2.64-2.702.45-2.50

1 7.18

1.5 Fracture

(e.g. graphite).

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

{010} Perfect

Poor on {110}

1.7 Mohs Hardness

Not Available5.5-6

2 10

1.8 Chemical Composition

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

KAlSi 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Vivianite and Leucite Chemical Formula

While comparing Vivianite and Leucite 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 Leucite chemical formula.

Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Chemical formula of Leucite- KAlSi 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Vivianite and Leucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Leucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Leucite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 2.45-2.50 whereas that of Leucite is 2.45-2.50.