TURQUOISE GROUP
MINERAL GROUPS guide
aheylite
(Fe,Zn)Al
6
(PO
4
)
4
(OH)
8
·4H
2
O
chalcosiderite
Cu
Fe
6
(PO
4
)
4
(OH)
8
·4H
2
O
coeruleolactite
(Ca,Cu)Al
6
(PO
4
)
4
(OH)
8
·4-5H
2
O
faustite
(Zn,Cu)Al6(PO4)4(OH)8·4H
2
O
planerite
Al
6
(PO
4
)
2
(PO
3
OH)
2
(OH)
8
·4H
2
O
turquoise
CuAl
6
(PO
4
)
4
(OH)
8
·4H
2
O