Assertion: asbestos | /r/HasProperty | a group of minerals
Facets:
Source sentences:
text: Asbestos is a group of minerals that occur naturally as bundles of fibers.
text: Asbestos is actually a group of minerals; although, it is often referred to as a single mineral.
text: Asbestos is a group of minerals that occur naturally in some rocks and soil.
text: Asbestos is a group of minerals that occur naturally as bundles of tiny fibers.