Assertion: tellurium | /r/AtLocation | its native elementalform
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: Tellurium is sometimes found in its native (elemental) form, but is more often found as the tellurides of gold.
text: Tellurium is sometimes found in its native (elemental) form, but is more often found as the tellurides of gold ( calaverite, krennerite, petzite, sylvanite, and others).