1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
insoluble
decomposes in water
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous
Conchoidal, Conchoidal, Brittle
1.6 Cleavage
[110] perfect, [101] good, [010] distinct
perfect [110]
1.7 Mohs Hardness
1.8 Chemical Composition
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na2Ca(CO3)2•5(H2O)