Tenacity
-
-
Solubility
-
insoluble
Durability
-
-
Specific Gravity
2.816.46-6.57
1
7.18
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Fracture
Conchoidal
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
{001} Perfect
Good [110] and [021]
Mohs Hardness
4.5-53-3.5
2
10
👆🏻
Chemical Composition
NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references