Template:POTD/2012-04-12
Two samples of sublimed-dendritic scandium and an argon arc remelted 1 cm3 cube sample for comparison. Scandium is a silvery-white transition metal that is used to make aluminium alloys. Although it is common in the Earth's crust, it is distributed sparsely and occurs only in trace amounts in many minerals.Photo: Alchemist-hp