2 Physical Properties
2.1 Tenacity
Not Available
Not Available
2.2 Solubility
Not Available
Not Available
2.4 Durability
Not Available
Not Available
2.6 Specific Gravity
3.91-4.733.62-4.33
1
7.18
2.8 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)
2.9 Cleavage
Not Available
Not Available
2.10 Mohs Hardness
2.14 Chemical Composition
ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)