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4310LM1K_S10 - 9 Glaucophane 10 Hornblende 11 Stilbite 12...

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GLY 4310 Name 30 points February 15, 2010 18 students took exam LAB MIDTERM 1 For each of the following specimens, identify the mineral, including variety if any, and list one distinctive property which helps to identify the mineral. (1 point each blank) Mineral Name Property 1. Hemimorphite Globular Habit 2. Willemite LW UV - bright green 3. Natrolite Radiating habit 4. Danburite Twinning striations 5. Biotite Perfect basal cleavage 6. Labradorite Play of colors 7. Tourmaline Striated crystals 8. Topaz H = 8 Identify each of the following minerals, including variety, if any. (2 points each)
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