Crocoite and Lazulite Physical Properties

Crocoite

Lazulite

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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

5.90-6.103.04-3.17

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

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

{001} Indistinct, {???} Indistinct

1.7 Mohs Hardness

2.5-35.5

2 10

1.8 Chemical Composition

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

(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Crocoite and Lazulite Chemical Formula

While comparing Crocoite and Lazulite 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 Crocoite and Lazulite chemical formula.

Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

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Crocoite and Lazulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Crocoite and Lazulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crocoite and Lazulite Optical Properties during the identification of gemstone. Specific gravity of Crocoite is 3.04-3.17 whereas that of Lazulite is 3.04-3.17.