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Emerald and Labradorite Physical Properties


Labradorite and Emerald Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Hard   
Not Available   

Specific Gravity
2.67-2.78   
2.69-2.72   

Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)   
Uneven, Conchoidal, Gems, Sixth Edition (2006)   

Cleavage
Imperfect on the [0001]   
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}   

Mohs Hardness
7.5-8   
6-6.5   

Chemical Composition
Be3Al2SiO6   
(Na,Ca)1-2Si3-2O8   

Optical Properties >>
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Emerald and Labradorite Chemical Formula

While comparing Emerald and Labradorite 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 Labradorite chemical formula.

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Emerald and Labradorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.

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