Rocks and Minerals

Clues in this puzzle

Across

• Preserved remains of an ancient plant or animal (6)
• Melted rock found beneath Earth's surface (5)
• Mountain that can erupt with lava and ash (7)
• Dark rock formed from ancient buried plants, burned as fuel (4)
• Smooth rock often used for statues and buildings (6)
• Soft, sticky earth used to make pottery (4)
• Common, hard, glassy mineral found in many rocks (6)

Down

• Tiny grains of worn-down rock (4)
• Hot melted rock that flows out of a volcano (4)
• Natural non-living solid found in the earth (7)
• Very large rounded rock (7)
• One flat sheet of material stacked with others (5)
• Solid natural material made of minerals (4)

More Rocks and Minerals crosswords

• Rocks and Minerals Medium · 15 words

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