1 Physical Properties
1.1 Tenacity
Not Available
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1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
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1.4 Specific Gravity
2.85-3.353.95-4.10
1
7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009)
UnevenWalter Schumann, Gemstones of the world (2001) More from other references, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Uneven
1.6 Cleavage
3,2
{110} Perfect, {110} Perfect, {110} Perfect
1.7 Mohs Hardness
1.8 Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas.
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references