Corundum Carl's Great Crystal Adventure
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Corundum Carl’s Great Crystal Adventure introduces young students to the science of crystallography. It begins with a description of crystal forms (by defining crystals and crystal faces) and the seven crystal systems. This is followed by 13 cut-and-fold crystal models representing all the crystal groups. These cutout models are an effective way to teach crystal forms and compare ideal crystals with natural crystals the students will see in class. The book ends with a recipe for growing crystals in the laboratory using common salts like halite and alum. Fee: $10 for permission to reproduce up to 100 copies. As a value-added feature, customers also receive a PDF of  Minerals from Down Under (Australia). Minerals from Down Under   See Sample Pages