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Pollucite
Pollucite

Topazolite
Topazolite



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Pollucite
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Topazolite

Pollucite and Topazolite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Readily soluble in HF
-

Durability

-
-

Specific Gravity

2.86-2.943.70-4.10
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Conchoidal

Cleavage

None observed
Indistinct

Mohs Hardness

6.5-76.5-7
2 10
👆🏻

Chemical Composition

(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Pollucite and Topazolite Chemical Formula

While comparing Pollucite and Topazolite 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 Pollucite and Topazolite chemical formula.

  • Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Topazolite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Pollucite and Topazolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pollucite and Topazolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pollucite and Topazolite Optical Properties during the identification of gemstone. Specific gravity of Pollucite is 3.70-4.10 whereas that of Topazolite is 3.70-4.10.