Intro1 - first be able to identify the minerals that...

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The Study of Minerals The ability to identify minerals using the simplest of techniques is a necessity for the Earth scientist, especially those scientists working in the field. In this exercise you will become familiar with the common physical properties of minerals and learn how to use these properties to identify minerals (Figure 1.1). In order to understand the origin, classification, and alteration of rocks, which are for the Figure 1.1 Quartz crystals. Slender six-sided, transparent crystals that will scratch glass. The shape of the crystals and their hardness are two physical properties used to identify this mineral. (Photo by E. J. Tarbuck) most part aggregates (mixtures) of minerals, you must
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Unformatted text preview: first be able to identify the minerals that comprise them. Objectives After you have completed this exercise, you should be able to 1. Recognize and describe the physical properties of minerals. 2. Use a mineral identification key to name minerals. 3. Identify several minerals by sight. 4. List the uses of several minerals that are mined. Materials One copper penny (before 1980) or small piece of copper One small piece of glass or broken jar Materials Supplied by the Bookstore Hand lens mineral samples streak plate magnet glass plate iron nail Items to Purchase from a Pharmacy Dilute hydrochloric acid 10% ( also known as muratic acid) approx. 1 oz....
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