Emerald and Lawsonite Physical Properties

Emerald

Lawsonite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Hard

2.67-2.78

Uneven, ConchoidalWalter Schumann

Imperfect on the [0001]

7.5-8

Be₃Al₂SiO₆

Brittle

3.09

Uneven

Perfect on {100} and {010}, imperfect on {101}

CaAl2Si2O7(OH)2.H2O

Emerald and Lawsonite Chemical Formula

While comparing Emerald and Lawsonite 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 Lawsonite chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆
Chemical formula of Lawsonite- CaAl2Si2O7(OH)2.H2O

Compare Precious Gemstones

Emerald Vs Pleonaste

Emerald Vs Rhodizite

Emerald Vs Ruby

Emerald and Lawsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Lawsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Lawsonite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 3.09 whereas that of Lawsonite is 3.09.