1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.2 Specific Gravity
1.12 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven
Uneven, ConchoidalArthur Thomas, Brittle, Metallic
1.13 Cleavage
{100} Perfect, {010} Distinct, {102} Distinct
Imperfect- [10 1 1]
1.14 Mohs Hardness
1.17 Chemical Composition
Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)