Ask-A-Geologist Q&A #2: What is syenite used for?

Every week we receive dozens of great questions from our Ask-A-Geologist feature on our website. Today’s question is from Courtney.

She writes: What is the rock syenite used for?

Well Courtney:   Syenite is an igneous rock that is usually gray, pink or violet in color. Because it is an intrusive rock that formed underground from a volcano, you can see small to medium-sized mineral crystals in the rock that are mostly feldspars and hornblende with little bit of other minerals like pyroxene, mica, quartz and magnetite. Nice deposits of syenite can be found in Egypt, Italy, Germany, Norway, and united states. It does not have too many uses other than as polished slabs for building construction but it certainly is unique and definitely worth collecting.

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