Emerald and Fire Opal Physical Properties

Emerald

Fire Opal

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Hard

Not Available

1.4 Specific Gravity

2.67-2.781.97-2.22

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

Imperfect on the [0001]

Not Available

1.7 Mohs Hardness

7.5-86-6.5

2 10

1.8 Chemical Composition

Be₃Al₂SiO₆

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references

Emerald and Fire Opal Chemical Formula

While comparing Emerald and Fire 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 Emerald and Fire Opal chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆
Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references

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Emerald and Fire Opal Specific Gravity

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