#151
P3112
Example – Muscovite 3T, K(Al1.91Fe0.09)(AlSi3O10)(OH)2
The crystal structure of 3T muscovite
Gueven, N.; Burnham, C.W.
Zeitschrift fuer Kristallographie (1967) 125, p163-p183
K (purple)
Al/FeO6 octahedra (blue)
Si/AlO4 tetrahedra (orange)