Pyrope and Tourmaline Physical Properties
Tenacity
Not Available
Not Available
Solubility
insoluble in water
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.62-3.87
2.85-3.35
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Mohs Hardness
7-7.5
7-7.5
Chemical Composition
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Pyrope and Tourmaline Chemical Formula
While comparing Pyrope 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 Pyrope and Tourmaline chemical formula.
- Chemical formula of Pyrope- Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
- Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Pyrope and Tourmaline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pyrope and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrope and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Pyrope is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.