Pearl and Emerald Physical Properties

Pearl

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

2.60-2.85

2.67-2.78

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

none

Imperfect on the [0001]

1.7 Mohs Hardness

2.5-4.5

7.5-8

1.8 Chemical Composition

Not Available

Be₃Al₂SiO₆

Pearl and Emerald Chemical Formula

While comparing Pearl 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 Pearl and Emerald chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆

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Pearl and Emerald Specific Gravity

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