Assertion: bloodstone | /r/HasProperty | inexpensive type of chalcedony
Facets:
Source sentences:
text: Bloodstone (also called heliotrope) is an inexpensive type of chalcedony that is green with red highlights (caused iron oxide).
text: Heliotrope (commonly known as bloodstone) is an inexpensive type of chalcedony that is green with red highlights (caused by iron oxide).