Nickeline and Emerald Physical Properties

Nickeline

Emerald

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

Not Available2.67-2.78

1 7.18

1.5 Fracture

Conchoidal, Uneven

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

1.6 Cleavage

{1010} Imperfect, {0001} Imperfect

Imperfect on the [0001]

1.7 Mohs Hardness

5-5.57.5-8

2 10

1.8 Chemical Composition

Not Available

Be₃Al₂SiO₆

Nickeline and Emerald Chemical Formula

While comparing Nickeline and Emerald 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 Nickeline and Emerald chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆

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Nickeline and Emerald Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nickeline and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nickeline and Emerald Optical Properties during the identification of gemstone. Specific gravity of Nickeline is 2.67-2.78 whereas that of Emerald is 2.67-2.78.