Nacre and Emerald Physical Properties

Nacre

Emerald

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1 Physical Properties

1.1 Tenacity

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

Not Available

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

1.6 Cleavage

Not Available

Imperfect on the [0001]

1.7 Mohs Hardness

Not Available7.5-8

2 10

1.8 Chemical Composition

Not Available

Be₃Al₂SiO₆

Nacre and Emerald Chemical Formula

While comparing Nacre 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 Nacre and Emerald chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆

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Nacre and Emerald Specific Gravity

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