Assertion: carnotite | /r/HasProperty | valuable
Facets:
value: mainly
type: DEGREE
value: at the time
type: TEMPORAL
value: for uranium
type: OTHER
value: for radium
type: LOCATION
value: for vanadium
type: TRANSITIVE-OBJECT
Source sentences:
text: The Haynes-Engle process for the recovery of uranium and vanadium covered this method, but the patent specifications do not show what is necessary for the final recovery of the radium, as at the time the patent was issued carnotite was mainly valuable for uranium and vanadium and not for radium.