Chapter 3 Name:__________________________ Mineral Lab Review Worksheet Period:___________ Complete each of the following questions using your notes and book as a guide. 1. Why is color not always a reliable way of identifying a mineral? 2. What property do minerals that glow under ultraviolet light display? 3. Identify one unique property for each of the following minerals... a. Calcite:_______________________ b. Halite:_______________________ c. Fluorite:______________________ _________________________4. What type of fracture pattern has a curved surface? 5. What are the two types of luster? What type of specific luster does quartz have? 6. What is a mineral? 7. Why may the surface of a mineral be a different color than the interior of the mineral? 8. Will a mineral leave a streak on a plate if it has a hardness of 9? Why or why not? _____________________9. What mineral fizzes in hydrochloric acid and creates a double image? _____________________10. The tendency of a mineral to split easily along a flat surface is called _____? _____________________11. The way a mineral reflects light from its surface is its _____. _____________________12. What group does a mineralologist classify a mineral if it is made of silicon and oxygen? _____________________13. True or False-Diamond will leave a streak on a black streak plate? _____________________14. An easily noticed property that is not reliable to use for mineral identification is _____. _____________________15. A mineral has _____ when it breaks unevenly or leaves a jagged edge. _____________________16. What property of a mineral does this statement describe? “A fingernail can scratch muscovite mica.” _____________________17. What property of a mineral does this statement describe? “Calcite leaves a colorless powder when rubbed across unglazed ceramic tiles.” _____________________18. Because of factors such as weathering and impurities, _____ usually is NOT a reliable indicator of a mineral’s identity.