Size 12 x 7,5 x 3,5 cm - weig 450 grams Chalcanthite and Melanterite—a stunning natural specimen featuring a variety of beautiful colors! This particular piece is an authentic, raw formation that developed post-mining and was collected from the historic mines of the Lavrio region. Vibrant, electric-blue crystals transition harmoniously into shades of mint green and turquoise, showcasing the richness of secondary copper and iron mineralization found at this legendary site. It is a true geological treasure. Its name comes from From the Greek chalkos, "copper" and anthos, "flower." From ''Hilarion'' Mine, Agios Konstantinos, Lavrion Mining District, Lavreotiki, East Attica, Greece will be sent with a security number