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Crocoite
Crocoite

Lazulite
Lazulite



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Crocoite
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Lazulite

Crocoite and Lazulite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
-
5.90-6.10
Conchoidal
{110} Distinct, {001} Indistinct, {100} Indistinct
2.5-3
PbCrO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
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-
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3.04-3.17
Uneven
{001} Indistinct, {???} Indistinct
5.5
(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.

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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 Vs Lazulite during the identification of gemstone. Specific gravity of Crocoite is whereas that of Lazulite is .