Tenacity
-
-
Solubility
insoluble
-
Durability
-
-
Specific Gravity
2.362.08-2.16
1
7.18
👆🏻
Fracture
Uneven, Subconchoidal, Fibrous
Irregular/uneven
Cleavage
[110] perfect, [101] good, [010] distinct
distinct/good on {1011}
Mohs Hardness
3.5-44.5
2
10
👆🏻
Chemical Composition
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaAl 2Si 4O 12 -6H 2OArthur Thomas , Gemstones (2009)