Rutile and Boulder Opal Physical Properties

Rutile

Boulder Opal

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Insoluble in acids

4.20-4.30

Uneven, Conchoidal

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

6-6.5

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

1.98-2.25

Conchoidal

None

5-6.5

SiO 2 + H 2OUlrich Henn and Claudio C.

Rutile and Boulder Opal Chemical Formula

While comparing Rutile and Boulder 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 Boulder Opal chemical formula.

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Rutile and Boulder Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rutile and Boulder Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rutile Vs Boulder Opal during the identification of gemstone. Specific gravity of Rutile is whereas that of Boulder Opal is .