Ceylonite and Pollucite Physical Properties

Ceylonite

Pollucite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

none

Readily soluble in HF

1.3 Durability

Not Available

1.4 Specific Gravity

3.63-3.92.86-2.94

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Indistinct

None observed

1.7 Mohs Hardness

7.5-86.5-7

2 10

1.8 Chemical Composition

(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

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

Ceylonite and Pollucite Chemical Formula

While comparing Ceylonite 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 Ceylonite and Pollucite chemical formula.

Chemical formula of Ceylonite- (Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references
Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

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Ceylonite and Pollucite Specific Gravity

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