Native silver is one of the few elements found in nature in the free state, in the form of metallic silver. Native silver is usually found in sheets, threads, or characteristic curly strands, or as efflorescence, crystals are rare. Native Silver Morocco 24 grams 40 x 40 x 15 mm about Standard shipping (2-7 days for Italy) (10-20 days for Europe) (15-40 days for rest of the world) please be careful with the description and measures