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hoegbomite

A trigonal and hexagonal mineral, (Mg,Fe)2(Al,Ti)5O10; metallic black with imperfect cleavage and conchoidal fracture; with magnetite, ilmenite, corundum, or ferroan spinel in iron ore at Redstand, Norway, and in emery at Whittles, VA. Also spelled hoegbomite.

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  • ed.young
  • (Milwaukee, United States)

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