Assertion: chalcedony | /r/HasProperty | compact silica
Facets:
Source sentences:
text: Chalcedony is compact silica most often found in sedimentary and volcanic environments.
text: Chalcedony is a compact form of silica, composed of microscopic quartz crystals.
text: Chalcedony is compact silica most often found in sedimentary andFormation occurs over a long period of time, as minerals are slowly deposited into a pocket of another type of rock, such as granite.
text: Chalcedony is a compact form of silica, composed of microscopic quartz crystals.