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
Uneven, Uneven, Gemstones of the world (2001) More from other references
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
1.6 Cleavage
{001} Indistinct, {???} Indistinct
Perfect on {0001}
1.7 Mohs Hardness
1.8 Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references