12PK Raw Calcite, Mineral Specimens - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Class Pack - Eisco Labs 12 electronics3 Motorola xpr 6550 earpiece with

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12PK Raw Calcite, Mineral Specimens - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Class Pack - Eisco Labs 12 electronics3 Motorola xpr 6550 earpiece with12PK Raw Calcite, Mineral Specimens Approx. 1" Geologist Selected & Hand Processed Great for Science Classrooms Class Pack Eisco Labs Product Features CALCITE Calcite is made up of calcium carbonate. It can grow into rocks, animal shells, chalk, & translucent, rhombic minerals GREAT FOR GEOLOGY CLASSROOMS Being one of just a few minerals that is effervesce in acid, Calcite is great for demonstrating chemical reactions. This universally useful mineral