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Crocoite
Crocoite

Norbergite
Norbergite



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Crocoite
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Norbergite

Crocoite and Norbergite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
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
 
-
-
-
3.177
Uneven, Conchoidal
{???} Distinct
6-6.5
Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)

Crocoite and Norbergite Chemical Formula

While comparing Crocoite and Norbergite 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 Norbergite chemical formula.

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Crocoite and Norbergite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Crocoite and Norbergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crocoite Vs Norbergite during the identification of gemstone. Specific gravity of Crocoite is whereas that of Norbergite is .