Pyrope Garnet and Common Opal Physical Properties

Pyrope Garnet

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

3.5-3.61.98-2.50

1 7.18

1.5 Fracture

Not Available

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

7-7.55.5-6.5

2 10

1.8 Chemical Composition

Mg₃Al₂Si₃O₁₂

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

Pyrope Garnet and Common Opal Chemical Formula

While comparing Pyrope Garnet 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 Pyrope Garnet and Common Opal chemical formula.

Chemical formula of Pyrope Garnet- Mg₃Al₂Si₃O₁₂
Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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Pyrope Garnet and Common Opal Specific Gravity

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