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Rocks and Minerals

Across
A solid material found on the Earth
Liquid rock below the Earth's surface
A nonliving solid found in nature that has a crystalline structure
Liquid rock above the Earth's surface
The least reliable way to Identify a mineral
Rock formed when magma or lava cools and hardens
Down
When sediment is pressed together
When rocks are compressed and cemented together
The name of the hardness scale for minerals
The binding together of compacted sediments
Rocks formed by heat and pressure