Crystal Opal and Simpsonite Physical Properties

Crystal Opal

Simpsonite

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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

1.97-2.22Not Available

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

5.5-6.57-7.5

2 10

1.8 Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.

Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Crystal Opal and Simpsonite Chemical Formula

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

Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Compare Yellow Gemstones

Crystal Opal Vs Diopside

Crystal Opal Vs Diaspore

Crystal Opal Vs Dravite

Crystal Opal and Simpsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Crystal Opal and Simpsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crystal Opal and Simpsonite Optical Properties during the identification of gemstone. Specific gravity of Crystal Opal is Not Available whereas that of Simpsonite is Not Available.