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Rosasite
Rosasite

Pollucite
Pollucite



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Rosasite
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Pollucite

Rosasite and Pollucite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Effervesces in cold
Readily soluble in HF
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4-4.2
2.86-2.94
1.5 Fracture
Splintery
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
Perfect on {100} and {010}
None observed
1.7 Mohs Hardness
4
6.5-7
1.8 Chemical Composition
Not Available
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Rosasite and Pollucite Chemical Formula

While comparing Rosasite 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 Rosasite 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

Rosasite and Pollucite Specific Gravity

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