Minerals

Scientists who specifically study minerals are called:

• mineralogists

• earth scientists

• geologists

• meteorologists

Which mineral property is the least reliable?

• hardness

• color

• luster

• breakage pattern

If a mineral has a hardness of 2...

• It can be used to scratch most other minerals

• It is soft and easily scratched by other minerals

• it is about the hardness of diamond

• it is about average hardness

Use your mineral ID chart to determine which mineral is the hardest

• magnetite

• muscovite mica

• malachite

• graphite

Which picture does NOT show a mineral that cleaves?

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Which picture shows a mineral with a metallic luster?

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Which word means that a mineral has a glassy appearance?

• pearly

• vitreous

• metallic

• resinous

"Earthy" means:

• dull

• vitreous

• adamantine

• metallic

The tendency for a mineral to break along smooth planes or surfaces is called:

• hardness

• cleavage

• fracture

• fluorescence

Which mineral has fluorescence?

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