Vermiculite is a mineral that is mostly used for water retention in soil. If you have a plant that needs really good aeration and water retention, you can mix both into your compost.

Vermiculite is mostly mica (clay) and it also expands greatly under high heat. The name comes from the Latin for 'worm' because of the shape it assumes while expanding.

What is vermiculite? Vermiculite is a natural mineral that expands when it is heated and has the unusual property of expanding into worm-like or accordion-like pieces. In its pure form, it is safe ...

The vermiculite that's mined in the U.S. has a pH range from 6.5 to 7.2 which is considered fairly neutral. However, the vermiculite mined in Africa can have a pH of around 9.6 or higher, which is ...

What is vermiculite? Vermiculite is a natural mineral that expands when it is heated and has the unusual property of expanding into worm-like or accordion-like pieces. In its pure form, it is safe ...

"A Mountain of Trouble Pulls a Town Together" (Opinion, Jan. 19) appropriately points out the legacy of asbestos-related disease from vermiculite mining in Libby, Mont.

Vermiculite, a phyllosilicate mineral, is especially interesting due to its layered 2:1 silicate structure, which allows it to swell and separate into individual sheets. These layers consist of ...