5. How many planes of cleavage does mineral sample A have? A. None B. One C. Two D. Three E. Four 6. How hard is mineral sample A? A. Greater than 5.5 on Mohs Hardness Scale B. Between 2.5 and 5.5 C. Less than 2.5 on Mohs Hardness Scale 7. What mineral is sample A? A. Fluorite B. Gypsum C. Calcite D. Potassium feldspar E. Quartz 8. Mineral A belongs to which mineral group? (Hint: Look up the formula in Table 3 of lab exercise document) A. Carbonates B. Silicates C. Oxides D. Sulfates E. Sulfides F. Halides G. Native elements
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