Simpsonite and Tourmaline Physical Properties
Tenacity
Not Available
Not Available
Solubility
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Durability
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Specific Gravity
Not Available
2.85-3.35
Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Mohs Hardness
7-7.5
7-7.5
Chemical Composition
Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Simpsonite and Tourmaline Chemical Formula
While comparing Simpsonite 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 Simpsonite and Tourmaline chemical formula.
- Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
- Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Simpsonite and Tourmaline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Simpsonite and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Simpsonite and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Simpsonite is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.