Emerald and Taaffeite Physical Properties

Emerald

Taaffeite

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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

2.67-2.783.60-3.61

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

Imperfect on the [0001]

Imperfect/fair/absent

1.7 Mohs Hardness

7.5-88-8.5

2 10

1.8 Chemical Composition

Be₃Al₂SiO₆

Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references

Emerald and Taaffeite Chemical Formula

While comparing Emerald and Taaffeite 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 Taaffeite chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆
Chemical formula of Taaffeite- Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references

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Emerald and Taaffeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Taaffeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Taaffeite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 3.60-3.61 whereas that of Taaffeite is 3.60-3.61.