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Photo of some basalt columns

Bis forBasalt

Basalt is a common rock made by lava cooling down quickly. Basalt is usually dark grey or black. Depending on how it cools down, basalt can be found in columns like in the picture, in a grid or hexagonal pattern, or even full of bubbles.

Basalt rhymes with ...

Jolt, Fault, Dolt, Difficult, Waltz, Catapult ... see all