1. Minerals Mav Marks

2. Question #1 According to the data, one could generalize that minerals used in abrasives: A. Contain carbon B. Have a hardness of 7 or above C. Are always red in color. D. Have a density above 4.0 g/cm 3

3. Question #2 According to the data in the table, which of the following minerals is the softest? A. Corundum B. Beryl C. Tourmaline D. Spinel

4. Question #3 According to the data in the table, if you had a blue gemstone, which of the following could it be? I. CorundumII. Tourmaline III. Quartz A. II only B. III only C. I and II only D. II and III only

5. Question #4 Many types of sand are made entirely of silicon and oxygen. Which mineral in the table is most likely found in those types of sand? A. Corundum B. Spinel C. Topaz D. Quartz