Emerald and Nacre Physical Properties

Emerald

Nacre

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Hard

Not Available

1.4 Specific Gravity

2.67-2.78Not Available

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Imperfect on the [0001]

Not Available

1.7 Mohs Hardness

7.5-8Not Available

2 10

1.8 Chemical Composition

Be₃Al₂SiO₆

Not Available

Emerald and Nacre Chemical Formula

While comparing Emerald and Nacre 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 Nacre chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆

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Emerald and Nacre Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Nacre Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Nacre Optical Properties during the identification of gemstone. Specific gravity of Emerald is Not Available whereas that of Nacre is Not Available.