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Pollucite
Pollucite

Carnallite
Carnallite



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Pollucite
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Carnallite

Pollucite and Carnallite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Readily soluble in HF
-
2.86-2.94
Conchoidal, Uneven
None observed
6.5-7
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
 
-
Soluble
-
1.6
Conchoidal
None
2.5
KMgCl3•6(H2O)

Pollucite and Carnallite Chemical Formula

While comparing Pollucite and Carnallite 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 Pollucite and Carnallite chemical formula.

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Pollucite and Carnallite Specific Gravity

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