Species
%
% (w/w)
SiO
2
68.8
Al
2
O
3
14.6
Fe
2
O
3
1.3
MgO
1.14
CaO
0.295
Na
2
O
0.5
K
2
O
0.78
TiO
2
0.18
As
0.05
Table 1:
Chemical composition of the Maghnite.
