GERSDORFFITE, ANNABERGITE – Morocco – GFS0305
Gersdorffite, Annabergite, Quartz
Aït Ahmane, Tansifite Caïdat, Agdz Cercle, Zagora Province, Drâa-Tafilalet Region, Morocco
8,5x5x3 cm. (main crystal 2×1,7×1,7 cm.)
Crystals are very rare, generally the mineral is in compact masses; it has a medium temperature hydrothermal origin and is found in metal deposits along with nickel and cobalt minerals.The best pieces have been found in Morocco and this specimen is a great example, composed by Gersdorffite octahedral crystals with metallic luster and gray color. Here and there green Annabergite is present.