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Caledonite
Caledonite

Realgar
Realgar



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Caledonite
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Realgar

Caledonite and Realgar Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
5.6-5.76
Uneven
[001] perfect; [100] distinct
2.5-3
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
 
-
-
-
3.56
-
{010} Good
-9999
AsSMichael O’Donoghue , Gems, Sixth Edition (2006)

Caledonite and Realgar Chemical Formula

While comparing Caledonite and Realgar 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 Caledonite and Realgar chemical formula.

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Caledonite and Realgar Specific Gravity

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