Tenacity
-
-
Solubility
insoluble
-
Durability
-
-
Specific Gravity
2.362.90-3.38
1
7.18
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Fracture
Uneven, Subconchoidal, Fibrous
Splintery
Cleavage
[110] perfect, [101] good, [010] distinct
1 or 2,2 prismatic.
Mohs Hardness
3.5-46-7
2
10
👆🏻
Chemical Composition
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6