Moissanite and Ruby Physical Properties

Moissanite

Ruby

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

none

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.17-3.243.97-4.05

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

(0001) indistinct

No true cleavage

1.7 Mohs Hardness

9-9.59

2 10

1.8 Chemical Composition

SiCArthur Thomas , Gemstones (2009)

Al ₂ O ₃

Moissanite and Ruby Chemical Formula

While comparing Moissanite and Ruby 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 Ruby chemical formula.

Chemical formula of Moissanite- SiCArthur Thomas , Gemstones (2009)
Chemical formula of Ruby- Al ₂ O ₃

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Moissanite and Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moissanite and Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moissanite and Ruby Optical Properties during the identification of gemstone. Specific gravity of Moissanite is 3.97-4.05 whereas that of Ruby is 3.97-4.05.