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Pollucite
Pollucite

Phlogopite
Phlogopite



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Pollucite
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Phlogopite

Pollucite and Phlogopite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Tough
1.2 Solubility
Readily soluble in HF
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.86-2.94
2.78-2.85
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
None, Uneven
1.6 Cleavage
None observed
Perfect basal (001)
1.7 Mohs Hardness
6.5-7
2-2.5
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 Phlogopite Chemical Formula

While comparing Pollucite and Phlogopite 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 Phlogopite 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 Phlogopite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pollucite and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pollucite and Phlogopite Optical Properties during the identification of gemstone. Specific gravity of Pollucite is 2.78-2.85 whereas that of Phlogopite is 2.78-2.85.