Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download 3.2anr
Document related concepts
Transcript
NAME DATE Chapter 3 CLASS Minerl Project Pix Links STUDY GUIDE Mineral Identification Text Pages 67–73 3.2 Match the terms in Column I with the phrases in Column II. Write the letter of the correct phrase in the blank on the left. Column I Column II G 1. cleavage a. The measure of how easily a mineral can be scratched D 2. diamond b. Name given to the scale of hardness 3. fracture c. One of the softest known minerals A 4. hardness d. The hardest known mineral H 5. mica e. Reflection of light from a mineral’s surface E 6. luster f. Color left by powdered mineral on unglazed porcelain B 7. Mohs g. Tendency to break along smooth, flat surfaces J 8. quartz h. A common mineral that breaks along smooth, flat surfaces 9. streak i. Tendency to break with rough or jagged edges i F C 10. talc j. A common mineral that breaks with rough or jagged edges Answer the following question on the lines provided. 11. What three tests would you perform to help you identify an unknown mineral? Mohs? streak? crystal system? lustre? color? fracture/cleavage? In the blanks at the left, write the terms that correctly complete each statement. pyrite vs. gold 12. The mineral is sometimes confused with gold because both minerals are the color of . graphite, pencils & fission uranium plutonium enrichment weapons reactor cores like Hanford 14 13. The mineral is soft enough to leave a streak on paper and is commonly used in . pyrite = Iron Sulfite = FeS = green streak gold = Au Physical Properties = how to tell them apart -color -lustre -streak -hardness -cleavage/fracture -appearance/crystal structure Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
