Rutile and Wood Opal Physical Properties

Rutile

Wood Opal

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Insoluble in acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.20-4.301.98-2.50

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

{110} good, 100 moderate, parting on {092} and {011}

Not Available

1.7 Mohs Hardness

6-6.55.5-6.5

2 10

1.8 Chemical Composition

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Rutile and Wood Opal Chemical Formula

While comparing Rutile 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 Rutile and Wood Opal chemical formula.

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

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Rutile and Wood Opal Specific Gravity

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