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Pollucite
Pollucite

Cacoxenite
Cacoxenite



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Pollucite
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Cacoxenite

Pollucite and Cacoxenite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Readily soluble in HF
-

Durability

-
-

Specific Gravity

2.86-2.942.2-2.6
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Uneven

Cleavage

None observed
None

Mohs Hardness

6.5-73-4
2 10
👆🏻

Chemical Composition

(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
(Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)

Pollucite and Cacoxenite Chemical Formula

While comparing Pollucite and Cacoxenite 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 Cacoxenite 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 Cacoxenite- (Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)

Pollucite and Cacoxenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pollucite and Cacoxenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pollucite and Cacoxenite Optical Properties during the identification of gemstone. Specific gravity of Pollucite is 2.2-2.6 whereas that of Cacoxenite is 2.2-2.6.