Assertion: garnet | /r/ObjectUse | used since the bronze age
Facets:
value: as abrasives
type: MANNER
value: as gemstones
type: MANNER
value: as gemstones for jewellery and ornaments
type: PURPOSE
Source sentences:
text: Garnets have been used since the Bronze Age as gemstones for jewellery and ornaments and as abrasives.
text: Garnets are a group of silicate minerals that have been used since the Bronze Age as gemstones and abrasives.