Emerald and Hackmanite Physical Properties

Emerald

Hackmanite

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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

2.67-2.78

2.27-2.33

1.5 Fracture

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

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Imperfect on the [0001]

Not Available

1.7 Mohs Hardness

7.5-8

5.5-6

1.8 Chemical Composition

Be₃Al₂SiO₆

Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Emerald and Hackmanite Chemical Formula

While comparing Emerald and Hackmanite 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 Hackmanite chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆
Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Emerald and Hackmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Hackmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Hackmanite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 2.27-2.33 whereas that of Hackmanite is 2.27-2.33.