Test Review: Minerals
Important Concepts and Questions
1. Glass is not a crystal because
__________.
(Hint: Read notes and definition of
minerals –pages. 62-63).
2. Common physical properties of
minerals include
_______________________________
Hint: Read notes and definition of
minerals –pages 68-72
3. What is the easiest way to tell if a
sample is gold or pyrite?
Hint: Pages 68-69
4. Large crystals can form when
magma __________________.
Hint: Page 65
5. Which mineral in the table on page
69 is hardest?
6. Most minerals are composed of
_________________ combined with other
elements.
Hint: Page 66
7. A mineral is classified as an ore as
long as __________________.
Hint: Page 77
8. One important use for titanium
is____________________.
Hint: Page 79
9. What are minerals?
Hint: Page 68
ANSWER
1. It is NOT a crystalline .
2. Color, Hardness, luster, specific gravity,
cleavage, and fracture.
3. Hardness
4. Cools quickly.
5. Diamond
6. Silicates
7. It’s profitable and useful
8. Automobile parts
9. Minerals are naturally occurring, inorganic
solids with a definite chemical structure and
an orderly arrangement of atoms.
10. What are minerals called that form 10. Vein minerals
along cracks or faults along rock
formations called?
Hint: Page 78
11. Diamonds are classified as
11. minerals and gems
______________________.
Hint: Page 76
12. Pyrite or “Fool’s Gold” is classified
as a (n) ___________________.
Hint: Pages 68-69
13. Minerals mined for titanium are
_______________.
Hint: Page 78
14. What are qualities of a stone that
make it a gemstone?
Hint: Page 73
15. What are properties of titanium
that are useful in making tennis
rackets?
Hint: Page 79
16. Who is the German scientist that
developed a scale to measure this
property using a scale from 1-10?
Hint: Page 69 and notes
17. What is the property of a mineral
that show how a mineral reflects light?
Hint: Page 70 and notes
18. Which is the most abundant
element in Earth's Crust?
Hint: Page 66
19. What causes some minerals to
break along smooth, flat surfaces?
Hint: Page 71
20. Will a diamond leave a streak on a
streak plate? Explain?
Hint: Page 69
12. Mineral
13. ilmenite, rutile
14. beauty, rarity
15. lightness, durability
16. Friedich Mohs
17. Luster
18. Oxygen
19. Cleavage
20. No. A diamond is harder than a streak
plate and will scratch the plate.