1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Conchoidal, Brittle
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
{001} perfect; {111} imperfect, may exhibit parting on , {011}
Perfect on {110} at 56° and 124°; partings on {010} and {100}
1.7 Mohs Hardness
1.8 Chemical Composition
MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.