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Parisite
Parisite

Pollucite
Pollucite



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Parisite
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Pollucite

Parisite and Pollucite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Readily soluble in HF

Durability

-
-

Specific Gravity

4.33-4.422.86-2.94
1 7.18
👆🏻

Fracture

-
Conchoidal, Uneven

Cleavage

Perfect
None observed

Mohs Hardness

4.56.5-7
2 10
👆🏻

Chemical Composition

Ca(Nd,Ce,La) 2(CO 3) 3F 2Ulrich Henn and Claudio C.
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Parisite and Pollucite Chemical Formula

While comparing Parisite 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 Parisite and Pollucite chemical formula.

  • Chemical formula of Parisite- Ca(Nd,Ce,La) 2(CO 3) 3F 2Ulrich Henn and Claudio C.
  • Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Parisite and Pollucite Specific Gravity

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