Mineral: Quartz
Locality: Monteacuto Ragazza, Grizzana Morandi, Metropolitan City of Bologna, Emilia-Romagna, Italy
Dimensions: 25 mm x 25 mm

Description: Quartz ("alpha" paramorph of "beta") Biggest crystal is 18 mm. The bluish colour is due to magnetite inclusions.

All pictures, text, design © Forum FMF 2006-2024