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Pollucite
Pollucite

Pleonast
Pleonast



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Pollucite
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Pleonast

Pollucite and Pleonast Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Readily soluble in HF
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.86-2.94
Not Available
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Not Available
1.6 Cleavage
None observed
Not Available
1.7 Mohs Hardness
6.5-7
Not Available
1.8 Chemical Composition
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Not Available

Pollucite and Pleonast Chemical Formula

While comparing Pollucite and Pleonast 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 Pleonast chemical formula.

  • Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
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Pollucite and Pleonast Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pollucite and Pleonast Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pollucite and Pleonast Optical Properties during the identification of gemstone. Specific gravity of Pollucite is Not Available whereas that of Pleonast is Not Available.