Name:

Questions 1, 3 and 5 on pg. 212:

1) Match the descriptions in column A with the correct term in column B. Copy, paste and adjust the line below to show your matches if you are using Word.

Column A Column B

a) measure of how easily a mineral can be scratched -cleavage

b) name given to the scale of hardness -diamond

c) one of the softest known minerals -fracture

d) hardest known mineral -hardness

e) reflection of light from the surface of a mineral -mica

f) colour left by powdered mineral on unglazed porcelain -lustre

g) tendency to break along smooth, flat surfaces -Mohs

h) common mineral that breaks along planes -quartz

i) tendency to break with rough or jagged edges -streak

j) common mineral that breaks with rough or jagged edges -talc

2) Don’t do

3) a) What are 3 minerals or mineral resources that you have used today?

b) How have you used them?

4) Don’t do

5) In addition to identification, why might it be important to know the hardness of different minerals? Give an example.