Prism of gabbro from Madagascar (2.7kg) on brass base
MINERAL
3.1kg Manganocalcite (Huanzala Mine), displayed in a UV lamp cage
Fluorite ball -Marienschacht Mine , Wölsendorf, , Germany-
Eroded Agate 640g on brass base - Poland (Wistoka river)
Cubic Pyrite in slate - St Créac (France)