ishikawaite

ishikawaite

[‚ish·ē′kä·wə‚īt]
(mineralogy)
A black, orthorhombic mineral consisting essentially of uranium, iron, rare earth, and columbium oxide.
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apatite, aquamarine, ashanite, bimushite, bismutomicrolite, chrysoberyl, *cygrayite, epidote, ertixiite, fluorite, garnet, hiddenite, holmquistite, ilmenite, ishikawaite, manganotantalite, manganocolumbite, molybdenite, muscovite, phenakite, pollucite, polylithionite, pyrite, *qingheite, samarskite, scheelite, sphalerite, spodumene, staurolite, topaz, tourmaline, trilithionite, uraninite, zircon Labashan Hubei turquoise Laiyuan Hebei hematite, ludwigite Lamo Guangxi, apatite, galena, pyrite, quartz, Zhuang A.