Pyrope Garnet and Crystal Opal Physical Properties

Pyrope Garnet

Crystal 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

3.5-3.61.97-2.22

1 7.18

1.5 Fracture

Not Available

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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 + H 2OUlrich Henn and Claudio C.

Pyrope Garnet and Crystal Opal Chemical Formula

While comparing Pyrope Garnet and Crystal 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 Crystal Opal chemical formula.

Chemical formula of Pyrope Garnet- Mg₃Al₂Si₃O₁₂
Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

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Pyrope Garnet and Crystal Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrope Garnet and Crystal Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrope Garnet and Crystal Opal Optical Properties during the identification of gemstone. Specific gravity of Pyrope Garnet is 1.97-2.22 whereas that of Crystal Opal is 1.97-2.22.