PICROMERITE GROUP
MINERAL GROUPS guide
boussingaultite
(NH
4
)
2
Mg(SO
4
)
2
-6H
2
O
cyanochroite
K
2
Cu(SO
4
)
2
-6H
2
O
mohrite
(NH
4
)
2
Fe(SO
4
)
2
·6H
2
O
nickel-boussingaultite
(NH
4
)
2
(Ni,Mg)(SO
4
)
2
-6H
2
O
picromerite
K
2
Mg(SO
4
)
2
-6H
2
O