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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. 3 on Moh's scale
Diamond
2.5
Calcite
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak

2. A jagged break indicates...
Fracture
Cleavage
6.5
Conchoil fracture

3. 9 on Moh's scale
Corundum
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)
Calcite
Are minerals in their simplest form

4. Glass has a hardness of...
Fracture
Feldspar
3.5
Conchoil fracture

5. 10 on Moh's scale
In matrix
Feldspar
Topaz
Diamond

6. 1 on Moh's scale
Talc
Gypsum
Gypsum
Topaz

7. When a mineral is found in a rock - it is...
In matrix
Talc
3
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)

8. Most gems...
Are minerals in their simplest form
Rocks cool
Topaz
Moh's scale

9. What is an indicator of impurities?
Are minerals in their simplest form
Fluorite
Talc
Transparencies

10. Fingernails have a hardness of...
Naturally occurring - typically inorganic - specific composition; beginning component of the rock cycle
Topaz
Apatite
2.5

11. 2 on Moh's scale
Calcite
Gypsum
Corundum
Apatite

12. 7 on Moh's scale
Gypsum
Quartz
Vug
Calcite

13. List the types of luster
3.5
Calcite
6.5
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)

14. 8 on Moh's scale
Talc
Topaz
Vug
Feldspar

15. Glass has a hardness of...
Fluorite
3.5
2.5
In matrix

16. 1 on Moh's scale
Smell - taste - magnetism - blacklight - effervesces in cold acid
Corundum
Calcite
Talc

17. A smooth break indicates...
Smell - taste - magnetism - blacklight - effervesces in cold acid
Rocks cool
In matrix
Cleavage

18. What is the definition of a mineral?
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak
Cleavage
2.5
Naturally occurring - typically inorganic - specific composition; beginning component of the rock cycle

19. An empty space which allows minerals to form crystals is a...
Topaz
Vug
Transparencies
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)

20. 8 on Moh's scale
Diamond
Moh's scale
Topaz
Smell - taste - magnetism - blacklight - effervesces in cold acid

21. Most gems...
Are minerals in their simplest form
Rocks cool
Calcite
Moh's scale

22. 5 on Moh's scale
6.5
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)
Apatite
Topaz

23. Crystals form as...
Corundum
Smell - taste - magnetism - blacklight - effervesces in cold acid
Rocks cool
Gypsum

24. Scale by which hardness is measured

25. An empty space which allows minerals to form crystals is a...
Naturally occurring - typically inorganic - specific composition; beginning component of the rock cycle
Moh's scale
Apatite
Vug

26. 4 on Moh's scale
Corundum
6.5
Fluorite
2.5

27. 9 on Moh's scale
Transparencies
Fluorite
Corundum
Conchoil fracture

28. 6 on Moh's scale
Naturally occurring - typically inorganic - specific composition; beginning component of the rock cycle
6.5
Feldspar
Smell - taste - magnetism - blacklight - effervesces in cold acid

29. 6 on Moh's scale
3
Cleavage
Feldspar
Diamond

30. 7 on Moh's scale
Are minerals in their simplest form
Corundum
Quartz
Apatite

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

32. Fingernails have a hardness of...
Vug
2.5
3.5
Calcite

33. A smooth break indicates...
Gypsum
Quartz
Cleavage
Topaz

34. Crystals form as...
Moh's scale
Rocks cool
3.5
Gypsum

35. List five other properties of identification
Vug
Transparencies
Smell - taste - magnetism - blacklight - effervesces in cold acid
3

36. When a mineral is found in a rock - it is...
Moh's scale
In matrix
Are minerals in their simplest form
Rocks cool

37. List five other properties of identification
Conchoil fracture
Smell - taste - magnetism - blacklight - effervesces in cold acid
Diamond
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)

38. Nails and metal files have a hardness of...
Gypsum
In matrix
6.5
Quartz

39. A jagged break indicates...
3
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)
Naturally occurring - typically inorganic - specific composition; beginning component of the rock cycle
Fracture

40. 5 on Moh's scale
Moh's scale
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)
Apatite
3

41. Nails and metal files have a hardness of...
6.5
Corundum
3
Hardness - color - transparency and luster - heft - breakage - crystal habit - streak

42. Copper pennies have a hardness of...
Apatite
3
Transparencies
Naturally occurring - typically inorganic - specific composition; beginning component of the rock cycle

43. 2 on Moh's scale
2.5
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)
Feldspar
Gypsum

44. Scale by which hardness is measured

45. 3 on Moh's scale
Calcite
3
Fluorite
Rocks cool

46. Bauxite has...
Vug
Smell - taste - magnetism - blacklight - effervesces in cold acid
3
Conchoil fracture

47. 4 on Moh's scale
Conchoil fracture
Diamond
Fluorite
Talc

48. What is an indicator of impurities?
2.5
Diamond
Transparencies
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)

49. 10 on Moh's scale
Rocks cool
In matrix
Fracture
Diamond

50. Copper pennies have a hardness of...
Conchoil fracture
In matrix
3
Metallic - non-metallic (earthy - vitreous - crystal - glassy - waxy)