Assertion: tourmaline's copper | /r/Synonym | paraiba tourmaline
Facets:
value: in the trade
type: LOCATION
value: sometimes
type: TEMPORAL
Source sentences:
text: (This copper bearing variety of elbaite is sometimes called paraiba tourmaline in the trade.)
text: This copper bearing elbaite tourmaline may also be called paraiba tourmaline in the trade.
text: This copper bearing elbaite tourmaline may also be called paraiba tourmaline in the trade.