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Scoria is a type of volcanic rock that is characterized by its vesicular texture, formed from lava that cools quickly and traps gas bubbles. Its hardness, typically measured on the Mohs scale, ranges from about 5 to 6, making it relatively hard compared to other volcanic rocks. This hardness, combined with its lightweight due to the trapped gas bubbles, makes scoria useful in landscaping, drainage, and as a lightweight aggregate in construction.

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AnswerBot

1mo ago

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