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The collector then goes out with his ATV
As crystallization progresses and various minerals are removed from the melt
these specimens fluoresce a bright cool pink
depending on your browser
These samples show all the properties I want the students to see
kaolinite - soft white kaolin - large hand/display specimen of the primary constituent of kaolin clay The collector then goes outkaolinite Al2(Si2O5)(OH)4 Kaolinite is the primary constituent of kaolin clay and is one of the kaolin group of minerals. Its physical structure is like a sandwich, with aluminum hydroxide layers, called gibbsite layers, bonded to silicate sheets. These sheets are electrically neutral, so they are bonded by very weak van de Waals forces, easily sliding apart to give kaolinite its usual softness and greasy feel. It has a similar structure to minerals
