What are some examples of different gemstones? Earth Science Minerals Mining and Mineral Use 1 Answer NITIJHA Mar 16, 2015 diamond, ruby,emerald, opal Answer link Related questions How do mining companies locate mineral reserves? How does mineral mining affect the land? How can mining affect the environment? What is an ore? How do alloys differ from pure metals? What is shaft mining? What is an open pit mine? What are the major types of mining and how do they differ from each other? Question #f765a Question #68ce1 See all questions in Mining and Mineral Use Impact of this question 2737 views around the world You can reuse this answer Creative Commons License