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Jet
Jet

Pollucite
Pollucite



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Jet
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Pollucite

Jet and Pollucite Physical Properties

Jet
Jet
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Physical Properties

Tenacity

-
Brittle

Solubility

-
Readily soluble in HF

Durability

-
-

Specific Gravity

1.19-1.352.86-2.94
1 7.18
👆🏻

Fracture

ConchoidalWalter Schumann
Conchoidal, Uneven

Cleavage

None
None observed

Mohs Hardness

2.5-46.5-7
2 10
👆🏻

Chemical Composition

C
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Jet and Pollucite Chemical Formula

While comparing Jet 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 Jet and Pollucite chemical formula.

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

Jet and Pollucite Specific Gravity

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