Common Opal and Simpsonite Physical Properties

Common 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

1.98-2.50Not Available

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

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 · nH 2OWalter Schumann , Gemstones of the world (2001)

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

Common Opal and Simpsonite Chemical Formula

While comparing Common 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 Common Opal and Simpsonite chemical formula.

Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Compare Blue Gemstones

Common Opal Vs Dumortierite

Common Opal Vs Dravite

Common Opal Vs Diamond

Common Opal and Simpsonite Specific Gravity

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