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Pollucite
Pollucite

Xonotlite
Xonotlite



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Pollucite
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Xonotlite

Pollucite and Xonotlite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Readily soluble in HF
-

Durability

-
-

Specific Gravity

2.86-2.942.71-2.72
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Fibrous

Cleavage

None observed
{???} Good

Mohs Hardness

6.5-76-6.5
2 10
👆🏻

Chemical Composition

(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Ca 6Si 6O 17(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Pollucite and Xonotlite Chemical Formula

While comparing Pollucite and Xonotlite 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 Xonotlite 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 Xonotlite- Ca 6Si 6O 17(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Pollucite and Xonotlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pollucite and Xonotlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pollucite and Xonotlite Optical Properties during the identification of gemstone. Specific gravity of Pollucite is 2.71-2.72 whereas that of Xonotlite is 2.71-2.72.