1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
insoluble in water
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.51-2.635.90-6.10
1
7.18
1.5 Fracture
Fibrous
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).
1.6 Cleavage
Not Available
{110} Distinct, {001} Indistinct, {100} Indistinct
1.7 Mohs Hardness
1.8 Chemical Composition
Mg 3(Si 2O 5)(OH) 4Gemdat.org , Management Team (2012)
PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references