Moissanite and Pollucite Physical Properties

Moissanite

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

3.17-3.242.86-2.94

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

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

1.6 Cleavage

(0001) indistinct

None observed

1.7 Mohs Hardness

9-9.56.5-7

2 10

1.8 Chemical Composition

SiCArthur Thomas , Gemstones (2009)

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

Moissanite and Pollucite Chemical Formula

While comparing Moissanite 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 Moissanite and Pollucite chemical formula.

Chemical formula of Moissanite- SiCArthur Thomas , Gemstones (2009)
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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Moissanite and Pollucite Specific Gravity

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