Assertion: meteoric iron | /r/HasProperty | 5–7 percent nickel
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Source sentences:
text: In the crust the free metal is rare, occurring as terrestrial iron (alloyed with 2–3 percent nickel) in basaltic rocks in Greenland and carbonaceous sediments in the United States (Missouri) and as a low-nickel meteoric iron (5–7 percent nickel), kamacite.