5th grade Lesson 3 Minerals of Earth's Crust
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You can identify minerals by the _______ or way the light bounces off their surfaces.
Minerals with an _________ luster are shiny.
Another way to tell minerals apart is by observing _______ on a fresh surface.
You can tell gold from pyrite by using a streak _________.
Hardness, or how well a mineral resists _______, is measured by Mohs' scale.
The hardest mineral is an________.
If a mineral has ________, it will break along flat surfaces.
It it has a _______, it wouldn't break smoothly.
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