Pollucite and Diamond Physical Properties

Pollucite

Diamond

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Readily soluble in HF

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.86-2.943.50-3.53

1 7.18

1.5 Fracture

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

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

None observed

111 (perfect in four directions)

1.7 Mohs Hardness

6.5-710

2 10

1.8 Chemical Composition

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

Pollucite and Diamond Chemical Formula

While comparing Pollucite and Diamond 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 Diamond 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 Diamond- C

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Pollucite and Diamond Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pollucite and Diamond Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pollucite and Diamond Optical Properties during the identification of gemstone. Specific gravity of Pollucite is 3.50-3.53 whereas that of Diamond is 3.50-3.53.