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Homework #2 - A What crystal system do these classes belong...

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Exercise #2 Due BEFORE CLASS on September 17, 2010 Rules: You may use any reference you would like. You are encouraged to help each other, but please write your own answers. Neatness counts (use a clean sheet of paper and make your drawings sufficiently large and your calculations neat). Show all work. Remember, no late work is accepted. Imagine you have two crystal classes with the face give: I. Crystal class: 4/m 3 2/m; Face: (111) II. Crystal class: 1, Face: (111)
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Unformatted text preview: A) What crystal system do these classes belong to? B) Draw the crystallographic axes of each system showing in general the relative lengths and angular relationships between the axes. The actual lengths and angles can be anything you want, but be sure they are correct for the particular crystal system the minerals belong to. C) Draw the (111) face on the axes. D) On a separate figure, draw and give the name of the {111} form for both classes....
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