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Analcime
Analcime

Pollucite
Pollucite



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Analcime
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Pollucite

Analcime and Pollucite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Readily soluble in HF

Durability

-
-

Specific Gravity

2.24-2.292.86-2.94
1 7.18
👆🏻

Fracture

Uneven, Subconchoidal, Conchoidal
Conchoidal, Uneven

Cleavage

Very poor [100]
None observed

Mohs Hardness

5-5.56.5-7
2 10
👆🏻

Chemical Composition

NaAlSi 2O 6 · H 2OMichael O’Donoghue , Gems, Sixth edition (2006) More from other references
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Analcime and Pollucite Chemical Formula

While comparing Analcime 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 Analcime and Pollucite chemical formula.

  • Chemical formula of Analcime- NaAlSi 2O 6 · H 2OMichael O’Donoghue , Gems, Sixth edition (2006) More from other references
  • Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Analcime and Pollucite Specific Gravity

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