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Pollucite
Pollucite

Shattuckite
Shattuckite



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Pollucite
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Shattuckite

Pollucite and Shattuckite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Readily soluble in HF
-

Durability

-
-

Specific Gravity

2.86-2.943.80-4.15
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Uneven

Cleavage

None observed
perfect along [010] and [100]

Mohs Hardness

6.5-73.5-4
2 10
👆🏻

Chemical Composition

(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Cu 5(SiO 3) 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Pollucite and Shattuckite Chemical Formula

While comparing Pollucite and Shattuckite 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 Shattuckite 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 Shattuckite- Cu 5(SiO 3) 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Pollucite and Shattuckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pollucite and Shattuckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pollucite and Shattuckite Optical Properties during the identification of gemstone. Specific gravity of Pollucite is 3.80-4.15 whereas that of Shattuckite is 3.80-4.15.