Assertion: hafnium | /r/AtLocation | zircon
Facets:
Source sentences:
text: In nature, hafnium occurs with zirconium at a ratio of around 1:50, appearing in a number of zirconium-bearing ores and minerals, such as zircon and baddeleyite.
text: In nature, hafnium occurs with zirconium at a ratio of around 1:50, appearing in a number of zirconium-bearing ores and minerals, such as zircon and baddeleyite.