Assertion: zircon | /r/CapableOf | form economic concentrations
Facets:
value: within heavy mineral sands ore deposits
type: LOCATION
value: within certain pegmatites
type: LOCATION
Source sentences:
text: Zircon forms economic concentrations within heavy mineral sands ore deposits, within certain pegmatites, and within some rare alkaline volcanic rocks, for example the Toongi Trachyte, Dubbo, New South Wales Australia in association with the zirconium-hafnium minerals eudialyte and armstrongite.