Powellite and Wood Opal Physical Properties

Powellite

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

4.231.98-2.50

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{111} Distinct

Not Available

1.7 Mohs Hardness

3.5-45.5-6.5

2 10

1.8 Chemical Composition

CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Powellite and Wood Opal Chemical Formula

While comparing Powellite 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 Powellite and Wood Opal chemical formula.

Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Wood Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Compare Blue Gemstones

Powellite Vs Rock Crystal

Powellite Vs Sanidine

Powellite Vs Rubellite

Powellite and Wood Opal Specific Gravity

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