Sapphire and Chrome Tourmaline Physical Properties

Sapphire

Chrome Tourmaline

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.032.85-3.35

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

None, but may exhibit parting

3,2

1.7 Mohs Hardness

97-7.5

2 10

1.8 Chemical Composition

Al ₂ O ₃

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

Sapphire and Chrome Tourmaline Chemical Formula

While comparing Sapphire 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 Sapphire and Chrome Tourmaline chemical formula.

Chemical formula of Sapphire- Al ₂ O ₃
Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.

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Sapphire and Chrome Tourmaline Specific Gravity

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