Blue Chalcedony - variety of Quartz (mineral)Your model is disabled. For more details go to Edit properties3D Model
Locality: Trestia - Cavnic, Romania
Size: 6 cm x 5 cm x 3 cm
Description: Chalcedony is a cryptocrystalline form of silica, composed of very fine intergrowths of quartz. So, chalcedony is a variety of Quartz.
Concept & 3D-modelling by dr. Andrei Ionut APOPEI