1. Minerals – Ch 5 TermsProperties Groups Identification Random 100 200 300 400 500

2. The mass of a substance to the volume is its ____ Answer

3. Density Home

4. The ability of a mineral to resist scratching is its _____ Answer

5. Hardness Home

6. Tendency of a mineral to break and form uneven, irregular surfaces Answer

7. Fracture Home

8. An inorganic solid with characteristic chemical composition and physical properties Answer

9. Mineral Home

10. Fluorite and Halite belong to what mineral group? Answer

11. Halides Home

12. The way that light is reflected from a mineral’s surface Answer

13. Home Luster

14. True/False: Chatoyancy means “cat’s eye” and has a silky appearance Answer

15. True Home

16. What is the color of a mineral in a powdered form? Answer

17. Streak Home

18. What physical property is unreliable as an identification clue for minerals? Answer

19. Color Home

20. What is the tendency of a mineral to split along specific planes, forming flat surfaces? Answer

21. Cleavage Home

22. A solid whose atoms, ions, or molecules are arranged in a regular, repeating pattern Answer

23. Crystal Home

24. What are the 2 main groups of minerals? Answer

25. Silicates or Non- silicates Home

26. Minerals are usually _____, meaning they do not contain carbon Answer

27. Inorganic Home

28. Mineral that does not contain silicon and oxygen (SiO 2 ) Answer

29. Nonsilicate Home

30. Mineral that contains silicon and oxygen compounds Answer

31. Silicate Home

32. Answer True or False: A mineral that glows in ultraviolet light is phosphorescent

33. False (fluorescent) Home

34. Oxides, Sulfides, Halides, Carbonates, and Sulfates are all major classes of what group of minerals? Answer

35. Nonsilicate Minerals Home

36. Cubes, hexagonal prisms, and irregular masses are common mineral structures for what group of minerals? Answer

37. Nonsilicate Minerals Home

38. If an unstable atomic nuclei decays into stable nuclei, the mineral is ____. Answer

39. Radioactive Home

40. Answer What are 3 physical properties mineralogists use to identify minerals?

41. Color, streak, hardness, luster, cleavage, fracture, density, crystal shape Home

42. What class of minerals is the most common on Earth? Answer

43. Silicates Home

44. What is the softest mineral on the Moh’s hardness scale? Answer

45. Talc Home

46. True/False: Quartz and Amethyst are examples of Nonsilicate Minerals Answer

47. False; they are Silicates! Home

48. True/False: Hematite is an example of a mineral in the Oxide group Answer

49. True Home

50. True/False: Galena and Mica both have fracture Answer

51. False Home