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Minerals lesson 11.A mineral is a solid material, made of one substance, that occurs naturally on earth.Most of the common minerals are made of crystals.A crystal is a solid formed by a repeating, three-dimensional pattern of atoms, ions, or molecules and having fixed distances between the different parts.Minerals that do not grow in these regular or crystalline patterns are called.
We are a large-scale joint-stock enterprise integrating scientific research, production and sales.Our leading products have crushing equipment, sand making equipment, mobile crusher, etc., Each type of product is with complete specifications. All products have passed ISO9001, CE and GOST international quality system certification.