Assertion: agate's structure | /r/HasProperty | seen with microscope
Facets:
Source sentences:
text: Colorful agate that has replaced tree trunks and limbs; the woody structure is preserved in many cases and can be seen with a microscope.
text: : Colorful agate that has replaced tree trunks and limbs; the woody structure is preserved in many cases and can be seen with a microscope.