Moldavite and Crystal Opal Physical Properties

Moldavite

Crystal Opal

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.32-2.381.97-2.22

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Not Available

1.7 Mohs Hardness

5.55.5-6.5

2 10

1.8 Chemical Composition

SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

SiO 2 + H 2OUlrich Henn and Claudio C.

Moldavite and Crystal Opal Chemical Formula

While comparing Moldavite and Crystal Opal 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 Moldavite and Crystal Opal chemical formula.

Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Compare Gems for Aquarius

Moldavite Vs Aquamarine

Moldavite Vs Rhyolite

Moldavite Vs Albite

Moldavite and Crystal Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moldavite and Crystal Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moldavite and Crystal Opal Optical Properties during the identification of gemstone. Specific gravity of Moldavite is 1.97-2.22 whereas that of Crystal Opal is 1.97-2.22.