Boulder Opal and Moissanite Physical Properties

Boulder Opal

Moissanite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

1.98-2.253.17-3.24

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Not Available

(0001) indistinct

1.7 Mohs Hardness

5-6.59-9.5

2 10

1.8 Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.

SiCArthur Thomas , Gemstones (2009)

Boulder Opal and Moissanite Chemical Formula

While comparing Boulder Opal and Moissanite 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 Boulder Opal and Moissanite chemical formula.

Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Chemical formula of Moissanite- SiCArthur Thomas , Gemstones (2009)

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Boulder Opal and Moissanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Boulder Opal and Moissanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boulder Opal and Moissanite Optical Properties during the identification of gemstone. Specific gravity of Boulder Opal is 3.17-3.24 whereas that of Moissanite is 3.17-3.24.