This collection includes forty rocks : amphibolite, andesite, slate, arenite (sandstone), basalt, limestone, conglomerate, hornfels, diabase, diorite, dolostone, gabbro, garnet gneiss, granite gneiss, white granite, pink granite, granodiorite, kimberlite, white marble, pink microgranite, monzonite, mudshale (argillite), obsidian, pegmatite, peridotite, pumice, porphyry feldspathic, pyroxenite, quartzite, rhyolite, biotite schist, chlorite schist, sericite schist, talc schist, serpentinite, syenite, tuff and greywacke.

Plastic box of 40 specimens of 2 to 3 cm : 30 cm x 32 cm

Plastic box of 40 specimens of 3 to 5 cm: 2 boxes of 30 cm x 32 cm