Euclase and Crystal Opal Physical Properties

Euclase

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

3.08-3.121.97-2.22

1 7.18

1.5 Fracture

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle, Metallic

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

1.6 Cleavage

{010} Perfect

Not Available

1.7 Mohs Hardness

7.55.5-6.5

2 10

1.8 Chemical Composition

BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

SiO 2 + H 2OUlrich Henn and Claudio C.

Euclase and Crystal Opal Chemical Formula

While comparing Euclase 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 Euclase and Crystal Opal chemical formula.

Chemical formula of Euclase- BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

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Euclase and Crystal Opal Specific Gravity

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