Chapter4study guide

Chapter4study guide - GLG111.D Study Guide Spring 2009 Chapter 4 Minerals p 74-103 Define the following terms Mineral(4-part definition 1 naturally

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GLG111.D Study Guide Spring 2009 Chapter 4: Minerals, p. 74-103 Define the following terms: Mineral (4-part definition): 1) naturally occur 2) solid crystalline substance 3) generally inorganic (not living) 4) specific chemical composition Polymorph: same composition, different structure Isomorph: same structure, different composition Physical Properties: Hardness: resistance to abrasian Cleavage: if a mineral has cleavage, it can break (weaker) Luster: the appearance of reflected light Crystal shape: depends on atomic arrangement Cubic: Pyritohedron Octohedral Prism: Color: determined by atoms and impurities ? Streak: color of fine powder is more characteristic than massive mineral b/c of its small grains (leaves a streak of color when rubbed) Atom: the smallest unit of an element that retains the characteristics of the element Ion: An atom that has lost or gained an electron Cation: positive ion Anion: negative ion Ionic bond: lots of cleavage: structure weak, one atom loans an electron to another atom
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This note was uploaded on 05/04/2011 for the course GLG 111 taught by Professor Kuentz during the Spring '05 term at Miami University.

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Chapter4study guide - GLG111.D Study Guide Spring 2009 Chapter 4 Minerals p 74-103 Define the following terms Mineral(4-part definition 1 naturally

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