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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. Fingernails have a hardness of...
Talc
Calcite
2.5
3

2. Scale by which hardness is measured

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3. Scale by which hardness is measured

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4. 1 on Moh's scale
Cleavage
Are minerals in their simplest form
Talc
3.5

5. A smooth break indicates...
In matrix
Conchoil fracture
Cleavage
Talc

6. When a mineral is found in a rock - it is...
In matrix
Cleavage
Topaz
Cleavage

7. Glass has a hardness of...
Quartz
Smell - taste - magnetism - blacklight - effervesces in cold acid
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak
3.5

8. 3 on Moh's scale
3.5
Feldspar
2.5
Calcite

9. Most gems...
Smell - taste - magnetism - blacklight - effervesces in cold acid
In matrix
Are minerals in their simplest form
Gypsum

10. A jagged break indicates...
Fracture
2.5
3
In matrix

11. 2 on Moh's scale
Fluorite
Gypsum
Apatite
Moh's scale

12. Crystals form as...
Rocks cool
6.5
Smell - taste - magnetism - blacklight - effervesces in cold acid
Naturally occurring - typically inorganic - specific composition; beginning component of the rock cycle

13. What is the definition of a mineral?
Fluorite
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak
Naturally occurring - typically inorganic - specific composition; beginning component of the rock cycle

14. Crystals form as...
Naturally occurring - typically inorganic - specific composition; beginning component of the rock cycle
Moh's scale
Rocks cool
2.5

15. 3 on Moh's scale
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak
Calcite
3
Quartz

16. List the main seven properties of identification.
2.5
3.5
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak
Vug

17. 2 on Moh's scale
6.5
Apatite
Gypsum
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak

18. A jagged break indicates...
Cleavage
Fracture
Quartz
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)

19. Bauxite has...
Diamond
Fracture
2.5
Conchoil fracture

20. Nails and metal files have a hardness of...
Are minerals in their simplest form
3
6.5
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak

21. Glass has a hardness of...
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak
Feldspar
3.5
6.5

22. What is the definition of a mineral?
Naturally occurring - typically inorganic - specific composition; beginning component of the rock cycle
Smell - taste - magnetism - blacklight - effervesces in cold acid
Fluorite
In matrix

23. List the main seven properties of identification.
3
In matrix
Corundum
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak

24. 7 on Moh's scale
Vug
Quartz
Apatite
Naturally occurring - typically inorganic - specific composition; beginning component of the rock cycle

25. 7 on Moh's scale
Quartz
3.5
Vug
Cleavage

26. Nails and metal files have a hardness of...
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak
Corundum
6.5
Naturally occurring - typically inorganic - specific composition; beginning component of the rock cycle

27. A smooth break indicates...
Gypsum
Cleavage
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak
Vug

28. Copper pennies have a hardness of...
3.5
3
Conchoil fracture
Quartz

29. What is an indicator of impurities?
In matrix
Transparencies
Cleavage
In matrix

30. An empty space which allows minerals to form crystals is a...
Vug
Feldspar
3.5
Gypsum

31. 6 on Moh's scale
Corundum
3
Feldspar
Naturally occurring - typically inorganic - specific composition; beginning component of the rock cycle

32. An empty space which allows minerals to form crystals is a...
Fracture
Fracture
Vug
Transparencies

33. What is an indicator of impurities?
Fluorite
Transparencies
6.5
Fracture

34. List the types of luster
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)
6.5
2.5
Feldspar

35. 10 on Moh's scale
Fracture
2.5
Diamond
Moh's scale

36. 8 on Moh's scale
2.5
Conchoil fracture
Topaz
Diamond

37. 4 on Moh's scale
Fluorite
Vug
Transparencies
Naturally occurring - typically inorganic - specific composition; beginning component of the rock cycle

38. Most gems...
2.5
Are minerals in their simplest form
Feldspar
Calcite

39. 6 on Moh's scale
Calcite
Fracture
Fracture
Feldspar

40. 5 on Moh's scale
Cleavage
Calcite
Apatite
Transparencies

41. List five other properties of identification
Fracture
Are minerals in their simplest form
Smell - taste - magnetism - blacklight - effervesces in cold acid
6.5

42. Fingernails have a hardness of...
In matrix
Corundum
2.5
Rocks cool

43. 8 on Moh's scale
Talc
3.5
Topaz
Feldspar

44. 5 on Moh's scale
3.5
Apatite
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak
6.5

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

46. 4 on Moh's scale
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)
Smell - taste - magnetism - blacklight - effervesces in cold acid
Fluorite
2.5

47. List five other properties of identification
Feldspar
3.5
Naturally occurring - typically inorganic - specific composition; beginning component of the rock cycle
Smell - taste - magnetism - blacklight - effervesces in cold acid

48. Copper pennies have a hardness of...
3.5
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak
Smell - taste - magnetism - blacklight - effervesces in cold acid
3

49. 9 on Moh's scale
Moh's scale
Cleavage
Corundum
In matrix

50. 1 on Moh's scale
3.5
6.5
Vug
Talc