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Mineral Identification Trivia

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Crystals form as...
Rocks cool
Fluorite
Smell - taste - magnetism - blacklight - effervesces in cold acid
Are minerals in their simplest form

2. 9 on Moh's scale
Corundum
3
Smell - taste - magnetism - blacklight - effervesces in cold acid
3

3. Fingernails have a hardness of...
Fracture
2.5
Fluorite
Fluorite

4. When a mineral is found in a rock - it is...
6.5
In matrix
Quartz
Rocks cool

5. 10 on Moh's scale
Gypsum
Vug
Calcite
Diamond

6. When a mineral is found in a rock - it is...
2.5
Moh's scale
In matrix
Vug

7. 1 on Moh's scale
Talc
3.5
Gypsum
Diamond

8. What is an indicator of impurities?
Corundum
Transparencies
Naturally occurring - typically inorganic - specific composition; beginning component of the rock cycle
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak

9. An empty space which allows minerals to form crystals is a...
Vug
Gypsum
3
Naturally occurring - typically inorganic - specific composition; beginning component of the rock cycle

10. Glass has a hardness of...
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak
3.5
Rocks cool
2.5

11. A smooth break indicates...
In matrix
In matrix
Cleavage
Gypsum

12. 7 on Moh's scale
Smell - taste - magnetism - blacklight - effervesces in cold acid
Quartz
Rocks cool
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak

13. Copper pennies have a hardness of...
3
6.5
Topaz
3.5

14. Nails and metal files have a hardness of...
6.5
Vug
3
Naturally occurring - typically inorganic - specific composition; beginning component of the rock cycle

15. 3 on Moh's scale
Calcite
Feldspar
Conchoil fracture
Are minerals in their simplest form

16. 4 on Moh's scale
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak
In matrix
Fluorite
Cleavage

17. 9 on Moh's scale
6.5
Corundum
Quartz
Transparencies

18. Copper pennies have a hardness of...
Topaz
3
Fluorite
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak

19. What is the definition of a mineral?
Corundum
Topaz
Gypsum
Naturally occurring - typically inorganic - specific composition; beginning component of the rock cycle

20. Most gems...
Are minerals in their simplest form
Apatite
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)
3

21. 2 on Moh's scale
Gypsum
Talc
2.5
Quartz

22. A jagged break indicates...
Talc
Gypsum
2.5
Fracture

23. List the types of luster
Talc
Moh's scale
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)
6.5

24. List the main seven properties of identification.
Gypsum
Corundum
6.5
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak

25. 5 on Moh's scale
Fluorite
Transparencies
2.5
Apatite

26. 8 on Moh's scale
In matrix
3
Topaz
Smell - taste - magnetism - blacklight - effervesces in cold acid

27. 6 on Moh's scale
6.5
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)
Feldspar
Smell - taste - magnetism - blacklight - effervesces in cold acid

28. Bauxite has...
Are minerals in their simplest form
Conchoil fracture
Talc
Gypsum

29. An empty space which allows minerals to form crystals is a...
Talc
Moh's scale
Vug
Apatite

30. 5 on Moh's scale
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)
Calcite
Apatite
6.5

31. 3 on Moh's scale
Calcite
Rocks cool
Feldspar
2.5

32. 8 on Moh's scale
Topaz
Corundum
Diamond
3

33. What is the definition of a mineral?
Are minerals in their simplest form
Naturally occurring - typically inorganic - specific composition; beginning component of the rock cycle
Diamond
6.5

34. List the main seven properties of identification.
Corundum
6.5
Transparencies
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak

35. 2 on Moh's scale
Gypsum
Rocks cool
Feldspar
Topaz

36. A smooth break indicates...
3
Talc
Cleavage
Are minerals in their simplest form

37. 10 on Moh's scale
Apatite
Diamond
Conchoil fracture
Corundum

38. Glass has a hardness of...
3.5
2.5
Corundum
Naturally occurring - typically inorganic - specific composition; beginning component of the rock cycle

39. 6 on Moh's scale
Feldspar
In matrix
Apatite
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)

40. A jagged break indicates...
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak
Fracture
Rocks cool
Corundum

41. Bauxite has...
Diamond
Transparencies
Conchoil fracture
3

42. Fingernails have a hardness of...
2.5
Corundum
Moh's scale
Diamond

43. Nails and metal files have a hardness of...
Naturally occurring - typically inorganic - specific composition; beginning component of the rock cycle
6.5
Talc
Are minerals in their simplest form

44. 1 on Moh's scale
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)
Cleavage
Talc
Apatite

45. 4 on Moh's scale
Fluorite
Moh's scale
Corundum
In matrix

46. List five other properties of identification
3.5
Smell - taste - magnetism - blacklight - effervesces in cold acid
3
Quartz

47. Scale by which hardness is measured

48. List the types of luster
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)
Rocks cool
Are minerals in their simplest form

49. 7 on Moh's scale
Smell - taste - magnetism - blacklight - effervesces in cold acid
Quartz
Are minerals in their simplest form
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)

50. What is an indicator of impurities?
Transparencies
Talc
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)
Naturally occurring - typically inorganic - specific composition; beginning component of the rock cycle