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Pleonast
Pleonast

Pollucite
Pollucite



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Pleonast
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Pollucite

Pleonast and Pollucite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
Perfect
-9999
MgAl2O4
 
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

Pleonast and Pollucite Chemical Formula

While comparing Pleonast and Pollucite 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 Pleonast and Pollucite chemical formula.

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Pleonast and Pollucite Specific Gravity

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