Goshenite and Precious Opal Physical Properties

Goshenite

Precious 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

2.60-2.90

1.98-2.25

1.5 Fracture

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

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references

1.6 Cleavage

3,1 basal

Not Available

1.7 Mohs Hardness

7.5-8

5-6.5

1.8 Chemical Composition

Be₃Al₂SiO₆

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

Goshenite and Precious Opal Chemical Formula

While comparing Goshenite 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 Goshenite and Precious Opal chemical formula.

Chemical formula of Goshenite- Be₃Al₂SiO₆
Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

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Goshenite and Precious Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Goshenite and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Goshenite and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Goshenite is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.