A small but neat little combo piece with deep red-brown platy Beraunite composing most of the matrix with soft green Kidwellite blobs and black beads of Goethite.
Beraunite
Formula
Fe2+Fe3+5(PO4)4(OH)5·6H2O
Crystal System
Monoclinic
Crystal Habit
Druse, Radial, Globular
Cleavage
Good, None, None
Luster
Vitreous - Dull
Color
green, greenish brown, gray green, dark greenish brown, dark red