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Hanksite
Hanksite

Pollucite
Pollucite



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Hanksite
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Hanksite and Pollucite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Readily soluble in water
Readily soluble in HF
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.562
2.86-2.94
1.5 Fracture
Uneven, Conchoidal, Brittle
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
Good on {0001}
None observed
1.7 Mohs Hardness
3-3.5
6.5-7
1.8 Chemical Composition
KNa22(SO4)9(CO3)2Cl
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Hanksite and Pollucite Chemical Formula

While comparing Hanksite 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 Hanksite and Pollucite chemical formula.

  • Chemical formula of Hanksite- KNa22(SO4)9(CO3)2Cl
  • Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Hanksite and Pollucite Specific Gravity

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