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Pollucite
Pollucite

Chrysocolla
Chrysocolla



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Pollucite
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Chrysocolla

Pollucite and Chrysocolla Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Readily soluble in HF
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.86-2.94
2.00-2.45
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Sub-Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
None observed
none
1.7 Mohs Hardness
6.5-7
2-4
1.8 Chemical Composition
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Cu2H2Si2O5(OH)4

Pollucite and Chrysocolla Chemical Formula

While comparing Pollucite and Chrysocolla 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 Chrysocolla 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 Chrysocolla- Cu2H2Si2O5(OH)4

Pollucite and Chrysocolla Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pollucite and Chrysocolla Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pollucite and Chrysocolla Optical Properties during the identification of gemstone. Specific gravity of Pollucite is 2.00-2.45 whereas that of Chrysocolla is 2.00-2.45.