Prasiolite and Pollucite Physical Properties

Prasiolite

Pollucite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Readily soluble in HF

1.3 Durability

Not Available

1.4 Specific Gravity

2.652.86-2.94

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

3,1

None observed

1.7 Mohs Hardness

76.5-7

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Prasiolite and Pollucite Chemical Formula

While comparing Prasiolite 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 Prasiolite and Pollucite chemical formula.

Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.
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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Prasiolite and Pollucite Specific Gravity

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