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Realgar
Realgar

Tourmaline
Tourmaline



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Realgar
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Tourmaline

Realgar and Tourmaline 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
3.562.85-3.35
Amber
1 7.18
1.5 Fracture
(e.g. graphite).
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
{010} Good
Indistinct
1.7 Mohs Hardness
Not Available7-7.5
Amber
2 10
1.8 Chemical Composition
AsSMichael O’Donoghue , Gems, Sixth Edition (2006)
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Realgar and Tourmaline Chemical Formula

While comparing Realgar and 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 Realgar and Tourmaline chemical formula.

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

Realgar and Tourmaline Specific Gravity

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