1 Physical Properties
1.1 Tenacity
1.2 Solubility
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.10 Fracture
Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous
None, Uneven
1.11 Cleavage
[110] perfect, [101] good, [010] distinct
Perfect basal (001)
1.12 Mohs Hardness
1.14 Chemical Composition
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Not Available