Pollucite and Chrysotile Physical Properties

Pollucite

Chrysotile

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Readily soluble in HF

insoluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

2.86-2.942.51-2.63

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Fibrous

1.6 Cleavage

None observed

Not Available

1.7 Mohs Hardness

6.5-72.5-4.5

2 10

1.8 Chemical Composition

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

Mg 3(Si 2O 5)(OH) 4Gemdat.org , Management Team (2012)

Pollucite and Chrysotile Chemical Formula

While comparing Pollucite and Chrysotile 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 Chrysotile 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 Chrysotile- Mg 3(Si 2O 5)(OH) 4Gemdat.org , Management Team (2012)

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Pollucite and Chrysotile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pollucite and Chrysotile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pollucite and Chrysotile Optical Properties during the identification of gemstone. Specific gravity of Pollucite is 2.51-2.63 whereas that of Chrysotile is 2.51-2.63.