Assertion: silica's form | /r/CapableOf | found in maryland
Facets:
Source sentences:
text: Fire agate showing an iridescent, internal flash or "fire", the result of a layer of clear agate over a layer of hydrothermally deposited hematite; Patuxent River stone, a red and yellow form of agate only found in Maryland; Enhydro agate contains tiny inclusions of water, sometimes with air bubbles.