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Emerald
Emerald

Crystal Opal
Crystal Opal



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Emerald
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Crystal Opal

Emerald and Crystal Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
Hard
2.67-2.78
Uneven, ConchoidalWalter Schumann
Imperfect on the [0001]
7.5-8
Be3Al2SiO6
 
-
-
-
1.97-2.22
Conchoidal
None
5.5-6.5
SiO 2 + H 2OUlrich Henn and Claudio C.

Emerald and Crystal Opal Chemical Formula

While comparing Emerald 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 Emerald and Crystal Opal chemical formula.

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Emerald and Crystal Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Crystal Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald Vs Crystal Opal during the identification of gemstone. Specific gravity of Emerald is whereas that of Crystal Opal is .