Question 1

What are the characteristics used to classify minerals?

Accepted Answer

Color, Luster, Streak, Hardness

Answer

None of the Above

Answer

Color and Luster

Answer

Streak

Question 2

The following image best represents the testing of which physical property?

Accepted Answer

Hardness

Answer

Color

Answer

Conductivity

Answer

Luster

Question 3

If an unknown mineral  has a hardness of 3.5 , it is most like:

Accepted Answer

Fluorite and Calcite

Answer

Topaz

Answer

Diamond

Answer

Talc

Question 4

If an unknown mineral has a hardness of  5 it is softer than  minerals such as:

Accepted Answer

Feldspar and Quartz

Answer

Corundum and Flourite

Answer

Gypsum and Diamond

Answer

Fluorite only

Question 5

What is the softest mineral on Moh's scale?

Accepted Answer

Talc

Answer

Diamond

Answer

Calcite

Answer

Topaz

Question 6

The hardest mineral of all is

Accepted Answer

Diamond

Answer

Corundum

Answer

Apatite

Answer

Talc

Question 7

A streak plate has a hardness of 7.  Which would leave a scratch on the streak plate?

Accepted Answer

Steel nail and copper penny

Answer

None of the above.

Answer

Finger nail and glass

Answer

Minerals that are 9 to 10

Question 8

If a mineral is scratched by talc, what must its hardness rating be?

Accepted Answer

1

Answer

10

Answer

6

Answer

4

Question 9

Which property is the way light is reflected off a mineral?

Accepted Answer

Luster

Answer

Streak

Answer

Hardness

Answer

Color

Question 10

Dull, silky, waxy, pearly, and earthy are terms that best describe which property of minerals?

Accepted Answer

Luster

Answer

Hardness

Answer

Color

Answer

Streak

Question 11

Which characteristic would be least helpful in identifying an unknown mineral?

Accepted Answer

Reactivity

Answer

Color

Answer

Streak

Answer

Hardness

Question 12

Scientists test for the hardness of a mineral by doing which of the following?

Accepted Answer

Scratching the mineral against other substances of known hardness

Answer

Comparing the mass of two minerals.

Answer

Observing how light reflects from the mineral.

Answer

Comparing the colors of two minerals.

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