Assertion: cassiterite | /r/CapableOf | occur as pebble
Facets:
value: with arsenopyrite
type: OTHER
value: with gold
type: OTHER
value: in alluvial deposits
type: LOCATION
Source sentences:
text: Cassiterite is strikingly dense and occurs as pebbles in alluvial deposits together with arsenopyrite and gold; it also occurs to a degree in the iron oxide gossans mentioned above.