Moissanite and Andalusite Physical Properties

Moissanite

Andalusite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

none

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.17-3.243.05-3.21

1 7.18

1.5 Fracture

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

Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

(0001) indistinct

Good on {110}, poor on {100}

1.7 Mohs Hardness

9-9.57.5

2 10

1.8 Chemical Composition

SiCArthur Thomas , Gemstones (2009)

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Moissanite and Andalusite Chemical Formula

While comparing Moissanite and Andalusite 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 Andalusite chemical formula.

Chemical formula of Moissanite- SiCArthur Thomas , Gemstones (2009)
Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Moissanite and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moissanite and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moissanite and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Moissanite is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.