Emerald and Chrome Tourmaline Physical Properties

Emerald

Chrome Tourmaline

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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

2.85-3.35

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Imperfect on the [0001]

3,2

1.7 Mohs Hardness

7.5-8

7-7.5

1.8 Chemical Composition

Be₃Al₂SiO₆

Tourmaline is a series of several different minerals with unique chemical formulas.

Emerald and Chrome Tourmaline Chemical Formula

While comparing Emerald and Chrome Tourmaline 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 Chrome Tourmaline chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆
Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.

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Emerald and Chrome Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Chrome Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Chrome Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Emerald is 2.85-3.35 whereas that of Chrome Tourmaline is 2.85-3.35.