Assertion: iridium | /r/CapableOf | melt at 2,500 °c approx.
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Source sentences:
text: The process that I observed over a period of a few months is that the industrial grade sapphires, which melt at 2,200 °C (approx.) were liquified inside cylinders fashioned from iridium, which melts at 2,500 °C (approx.).