Sanidine and Common Opal Physical Properties

Sanidine

Common 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

2.54-2.611.98-2.50

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

{001} Perfect, {010} Good

Not Available

1.7 Mohs Hardness

65.5-6.5

2 10

1.8 Chemical Composition

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Sanidine and Common Opal Chemical Formula

While comparing Sanidine and Common 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 Sanidine and Common Opal chemical formula.

Chemical formula of Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Compare Blue Gemstones

Sanidine Vs Serendibite

Sanidine Vs Shattuckite

Sanidine Vs Sillimanite

Sanidine and Common Opal Specific Gravity

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