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Talc-a metamorphic mineral is used as a lubricant. Serpentine is used for carving. Corundum, another metamorphic mineral, is used for abrasives. Kyanite and its polymorphs-for ceramics. Graphite-pencils. Many economic deposits of gold, copper, tungsten and iron occur in metamorphic rocks.arble is a metamorphic rock that is used to make floor tiles, counter tops and it is carved int â¦ o statues and was used extensively in the building of the Roman Colosseum and other historic buildings.
1 Metamorphic rocks are the third type of rock. 2  Meta = change; morph = shape or form. 3  Metamorphic rock is produced when sedimentary, igneous and other metamorphic rocks are subjected to sufficient pressure and heat to change their crystal structure and size. Metamorphic rocks are the third type of rock. 2  Meta = change; morph = shape or form. 3  Metamorphic rock is produced when sedimentary, igneous and other metamorphic rocks are subjected to sufficient pressure and heat to change their crystal structure and size.