Assertion: fluorine | /r/CapableOf | make fluorine
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Source sentences:
text: In nature, fluorine is primarily found in the minerals fluorospar (CaF 2 ), cryolite (Na 3 AlF 6 ), and fluoroapatite (CaF 2 ·3Ca 3 (PO 4 ) 2 ), together comprising 0.065 percent of Earth's crust (making fluorine the thirteenth most abundant element).