Opal and Simpsonite Physical Properties

Opal

Simpsonite

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1 Physical Properties

1.1 Tenacity

BrittleWalter Schumann

Not Available

1.2 Solubility

hot salt water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.98-2.25Not Available

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle

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

1.6 Cleavage

None

1.7 Mohs Hardness

5-6.57-7.5

2 10

1.8 Chemical Composition

SiO₂ · nH₂O

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

Opal and Simpsonite Chemical Formula

While comparing 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 Opal and Simpsonite chemical formula.

Chemical formula of Opal- SiO₂ · nH₂O
Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Compare Semi Precious Gemstones

Opal Vs Amethyst

Opal Vs Lehsunia

Opal Vs Alexandrite

Opal and Simpsonite Specific Gravity

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