9TF66R4: Aggregate of very flattened lenticular crystals of deep color, with a curious coating that, when analyzed, turned out to be a melange of clay, chalky powder and some kind of submicrocrystalline copper phosphate.
Tazalarht Quarry, Taroudant Province, Souss-Massa Region  Morocco (10/2008)

Specimen size: 8.4 × 7.8 × 2.9 cm = 3.31”

Main crystal size: 1.0 × 0.5 cm = 0.39”