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Pollucite
Pollucite

Nuummite
Nuummite



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Pollucite
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Nuummite

Pollucite and Nuummite 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
2.86-2.943.18-3.37
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Conchoidal
1.6 Cleavage
None observed
Perfect on 210
1.7 Mohs Hardness
6.5-75.5-6
Amber
2 10
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 Nuummite Chemical Formula

While comparing Pollucite and Nuummite 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 Nuummite 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 Nuummite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pollucite and Nuummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pollucite and Nuummite Optical Properties during the identification of gemstone. Specific gravity of Pollucite is 3.18-3.37 whereas that of Nuummite is 3.18-3.37.