Vermiculite

Some rocks grow when they get hot.

This rock puffs up like a snack. It helps plants grow in dirt. It can even keep houses safe from fire. It is a very busy rock! Do you like to garden?

40 words

🖼️ Images & Media (4)

Vermiculite-362652.jpg

Anthophyllite,_Vermiculite-362648.jpg

Vermiculite_board_fireproofing_003.png

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📚 Content adapted from Wikipedia | Readability: FK 13.6 | Vital Level 5