Mineral Specimen #3779 Dufrenite, Ushkovite, Muscovite
Galileia, Doce valley, Minas Gerais, Brazil
Ca0.5Fe2+Fe3+5(PO4)4(OH)6·2H2O and MgFe3+2(PO4)2(OH)2·8H2O
Dark green botryoidal Dufrenite covers a corner of a small Muscovite book. A few of the spherical Dufrenite aggregates are semi hollow and contain orange colored Ushkovite in the centers.
The specimen is in good condition