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lashsmarketing.com CHAT BOX Rare Metal Brokers July 3, 2013 Posted by Admin Scandium ? an overview Where is it found and what is it used for? Scandium occurs at roughly 10 parts per million in the earth´s crust, mostly in silicates. Historically, however, for a number of reasons it has been very difficult to extract and process economically. Like many of the REEs, scandium has some extraordinary properties. Alloyed with aluminium, it produces one of the lightest, strongest alloys in the