“Corundum var. Sapphir specimen mm 54 x mm 38 the crystal of Sapphir is mm 0,85 x mm 0,75 x mm 0,45 piece collected by Romeo Tam ,found by him,in the area of the Grillo Lake, about 1900 meters . This site is attainable also with the path that leads from Uschione. photo Giovanni Scapin ”