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Heyrovskite quartz. ca Cristalls platejatbrillants de heyrovskita en matriu de quars en Silverybright heyrovskite crystals in quartz Locality Rakovnk Rakonitz Central Bohemia Region Bohemia Bhmen Boehmen Czech Republic Dimensions mm mm mm Weight mindat org html Marc Gravel cczero other versions Uploaded with Heyrovskite Quartz