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Tourmaline
Tourmaline

Realgar
Realgar



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Tourmaline
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Realgar

Tourmaline and Realgar Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.85-3.353.56
Amber
1 7.18
1.5 Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
(e.g. graphite).
1.6 Cleavage
Indistinct
{010} Good
1.7 Mohs Hardness
7-7.5Not Available
Amber
2 10
1.8 Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
AsSMichael O’Donoghue , Gems, Sixth Edition (2006)

Tourmaline and Realgar Chemical Formula

While comparing Tourmaline and Realgar 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 Tourmaline and Realgar chemical formula.

  • Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
  • Chemical formula of Realgar- AsSMichael O’Donoghue , Gems, Sixth Edition (2006)

Tourmaline and Realgar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tourmaline and Realgar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Realgar Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 3.56 whereas that of Realgar is 3.56.