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Pietersite
Pietersite

Pollucite
Pollucite



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Pietersite
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Pollucite

Pietersite and Pollucite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Readily soluble in HF
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
Not Available2.86-2.94
Amber
1 7.18
1.5 Fracture
Not Available
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
Not Available
None observed
1.7 Mohs Hardness
56.5-7
Amber
2 10
1.8 Chemical Composition
Not Available
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Pietersite and Pollucite Chemical Formula

While comparing Pietersite 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 Pietersite and Pollucite chemical formula.

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

Pietersite and Pollucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pietersite and Pollucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pietersite and Pollucite Optical Properties during the identification of gemstone. Specific gravity of Pietersite is 2.86-2.94 whereas that of Pollucite is 2.86-2.94.