Jasper and Black Opal Physical Properties

Jasper

Black 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

2.58-2.91

1.97-2.22

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

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

1.6 Cleavage

Indiscernible

Not Available

1.7 Mohs Hardness

6.5-7

6-6.5

1.8 Chemical Composition

SiO₂

SiO 2 + H 2OUlrich Henn and Claudio C.

Jasper and Black Opal Chemical Formula

While comparing Jasper and Black 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 Jasper and Black Opal chemical formula.

Chemical formula of Jasper- SiO₂
Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

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Jasper and Black Opal Specific Gravity

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