Definition of vermiculite
: any of various micaceous minerals that are hydrous silicates resulting usually from expansion of the granules of mica at high temperatures to give a lightweight highly water-absorbent material
Recent Examples of vermiculite from the Web
But apparently the modern smoothie has to be gross, adulterated with kale and chia seeds, protein powder and vermiculite.
The average potting mix—with peat moss, perlite, vermiculite—that is used for garden planters and window boxes will work.
At Tagawa Gardens, the medium is made with perlite, vermiculite and peat moss.
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Learn More about vermiculite
Britannica.com: Encyclopedia article about vermiculite
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