Vivianite and Crocoite Physical Properties

Vivianite

Crocoite

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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

2.64-2.705.90-6.10

1 7.18

1.5 Fracture

(e.g. graphite).

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).

1.6 Cleavage

{010} Perfect

{110} Distinct, {001} Indistinct, {100} Indistinct

1.7 Mohs Hardness

Not Available2.5-3

2 10

1.8 Chemical Composition

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

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

Vivianite and Crocoite Chemical Formula

While comparing Vivianite and Crocoite 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 Crocoite chemical formula.

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

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Vivianite and Crocoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Crocoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Crocoite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 5.90-6.10 whereas that of Crocoite is 5.90-6.10.