General Information:
Chemical Formula:
Mn++Mn++Fe++Al2(OH)2(PO4)4·8(H2O)
Composition:
(Molecular Weight = 777.71 gm)
Manganese 14.13 % Mn
Aluminum 6.94 % Al
Iron 7.18 % Fe
Phosphorus 15.93 % P
Hydrogen 2.33 % H
Oxygen 53.49 % O
Empirical Formula:
Mn2+2Fe2+Al2(OH)2(PO4)4·8(H2O)
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
[???] Indistinct
Color:
light yellow.
Density:
2.81
Diaphaniety:
Transparent
Hardness:
3.5 - Copper Penny
Luster:
Vitreous (Glassy)
Streak:
white
More details...