1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.4 Durability
Not Available
Not Available
1.7 Specific Gravity
3.07-3.133.17-3.18
1
7.18
1.16 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven
Not Available
1.17 Cleavage
{100} Perfect, {010} Distinct, {102} Distinct
Not Available
1.18 Mohs Hardness
1.19 Chemical Composition
Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)