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Rosasite
Rosasite

Pollucite
Pollucite



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Rosasite
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Pollucite

Rosasite and Pollucite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

Effervesces in cold
Readily soluble in HF

Durability

-
-

Specific Gravity

4-4.22.86-2.94
1 7.18
👆🏻

Fracture

Splintery
Conchoidal, Uneven

Cleavage

Perfect on {100} and {010}
None observed

Mohs Hardness

46.5-7
2 10
👆🏻

Chemical Composition

CuZn(CO3)(OH)2
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Rosasite and Pollucite Chemical Formula

While comparing Rosasite 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 Rosasite and Pollucite chemical formula.

  • Chemical formula of Rosasite- CuZn(CO3)(OH)2
  • Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Rosasite and Pollucite Specific Gravity

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