Rubellite and Precious Opal Physical Properties

Rubellite

Precious Opal

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.01-3.06

Conchoidal

Indiscernible

7-7.5

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

1.98-2.25

Conchoidal

None

5-6.5

SiO 2 · nH 2OGemdat.org , Management Team (2012)

Rubellite and Precious Opal Chemical Formula

While comparing Rubellite and Precious 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 Rubellite and Precious Opal chemical formula.

Compare Blue Gemstones

Rubellite Vs Serendibite

Rubellite Vs Shattuckite

Rubellite Vs Sillimanite

Rubellite and Precious Opal Specific Gravity

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