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Tourmaline
Tourmaline

Pyrope Almandine
Pyrope Almandine



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Tourmaline
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Pyrope Almandine

Tourmaline and Pyrope Almandine 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
2.85-3.35
3.62-4.20
1.5 Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)
1.6 Cleavage
Indistinct
Not Available
1.7 Mohs Hardness
7-7.5
7-7.5
1.8 Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
(Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)

Tourmaline and Pyrope Almandine Chemical Formula

While comparing Tourmaline and Pyrope Almandine 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 Pyrope Almandine 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 Pyrope Almandine- (Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)

Tourmaline and Pyrope Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tourmaline and Pyrope Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Pyrope Almandine Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 3.62-4.20 whereas that of Pyrope Almandine is 3.62-4.20.