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Pollucite
Pollucite

Plumbogummite
Plumbogummite



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Pollucite
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Plumbogummite

Pollucite and Plumbogummite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Readily soluble in HF
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.86-2.94
4.014
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Uneven, Conchoidal
1.6 Cleavage
None observed
None
1.7 Mohs Hardness
6.5-7
4-5
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 Plumbogummite Chemical Formula

While comparing Pollucite and Plumbogummite 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 Plumbogummite 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 Plumbogummite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pollucite and Plumbogummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pollucite and Plumbogummite Optical Properties during the identification of gemstone. Specific gravity of Pollucite is 4.014 whereas that of Plumbogummite is 4.014.