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Thomsonite
Thomsonite

Pollucite
Pollucite



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Thomsonite
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Pollucite

Thomsonite and Pollucite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.25-2.40
-
perfect on {010}; good on {100}
5-5.5
NaCa 2Al 5Si 5O 20 · 6H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
Brittle
Readily soluble in HF
-
2.86-2.94
Conchoidal, Uneven
None observed
6.5-7
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Thomsonite and Pollucite Chemical Formula

While comparing Thomsonite 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 Thomsonite and Pollucite chemical formula.

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Thomsonite and Pollucite Specific Gravity

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