Topazolite and Emerald Physical Properties

Topazolite

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

3.70-4.10

2.67-2.78

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Not Available

Imperfect on the [0001]

1.7 Mohs Hardness

6.5-7

7.5-8

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Be₃Al₂SiO₆

Topazolite and Emerald Chemical Formula

While comparing Topazolite 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 Topazolite and Emerald chemical formula.

Chemical formula of Topazolite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Emerald- Be₃Al₂SiO₆

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Topazolite and Emerald Specific Gravity

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