Sardonyx and Wood Opal Physical Properties

Sardonyx

Wood 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

2.55-2.701.98-2.50

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

Not Available

1.7 Mohs Hardness

6.5-75.5-6.5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Sardonyx and Wood Opal Chemical Formula

While comparing Sardonyx and Wood 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 Sardonyx and Wood Opal chemical formula.

Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Wood Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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Sardonyx and Wood Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Wood Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Wood Opal Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 1.98-2.50 whereas that of Wood Opal is 1.98-2.50.