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Pollucite
Pollucite

Smoky Quartz
Smoky Quartz



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Pollucite
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Smoky Quartz

Pollucite and Smoky Quartz Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Readily soluble in HF
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.86-2.94
2.65
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
None observed
{0110} Indistinct
1.7 Mohs Hardness
6.5-7
7
1.8 Chemical Composition
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
SiO2

Pollucite and Smoky Quartz Chemical Formula

While comparing Pollucite and Smoky Quartz 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 Smoky Quartz chemical formula.

  • Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Smoky Quartz- SiO2

Pollucite and Smoky Quartz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pollucite and Smoky Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pollucite and Smoky Quartz Optical Properties during the identification of gemstone. Specific gravity of Pollucite is 2.65 whereas that of Smoky Quartz is 2.65.