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Southern Miss GLY 101 - Light Silicate Mineral

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GLY 101 1st Edition Lecture 3Outline of Last Lecture I. II.Minerals Definition of Mineral Rocks, Atoms A. Properties of protons, neutrons, and electrons B. ElementsII. Explaining atom bonds A. Octet ruleIII. Ionic bonds and covalent bondsOutline of Current Lecture II. Silicate Minerals ( light silicates)Current LectureII. Silicate Minerals ( light silicates)-Common Silicate minerals are Olivine, Augite, Hornblende, Biotite, Muscovite, Potassium feldspar, and Quartz-most silicate minerals form when molten rock cools and crystalizes. -the environment determines which minerals are produced-each silicate mineral has a structure that indicates the conditions under which it formed-the light silicates are light in color-feldspar minerals form the most common mineral group and can form under a range of temperatures and pressures-two different feldspar structures, potassium feldspar and plagioclase feldspar-potassium feldspar contains potassium in its structureThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.-plagioclase feldspar has sodium and calcium ions -feldspar minerals have two planes of cleavage meeting at a 90 degree angle-quartz is the only common silicate mineral that consists entirely of silicon and oxygen-muscovite is a member of the mica family-muscovite is light in color and has a pearl luster, also has cleavage in one direction-clay is a term used to describe a category of complex minerals that have asheet structure-clay minerals are usually fine grained and are hard to identify with out a microscope-clays are common in shales, mudstones, and other sedimentary


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