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Emerald
Emerald

Sard
Sard



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Emerald
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Sard

Emerald and Sard Physical Properties

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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
 
-
-
-
2.58-2.63
Conchoidal
None
6.5-7
SiO 2Ulrich Henn and Claudio C.

Emerald and Sard Chemical Formula

While comparing Emerald and Sard 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 Sard chemical formula.

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Emerald and Sard Specific Gravity

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