occurs naturally in

7 triples
GPTKB property

Random triples
Subject Object
gptkb:Bayer_Manganese manganese ores
gptkb:Radon-222 groundwater
gptkb:vanillin vanilla beans
gptkb:gold nuggets
gptkb:Ethylene plants
gptkb:vanadium_dioxide_(VO2) the mineral cambridgeite
gptkb:ozone_(O3) Earth's stratosphere