All minerals, synonyms and varieties beginning with letter = I.

Ianbruceite	Impsonite	Irite
Iangreyite	Inaglyite	Iron
Ianthinite	Incaite	Iron rose
Ice	Incomsartorite	Iron-bearing Platinum
Iceland Spar	Inderborite	Irtyshite
Ichnusaite	Inderite	Iseite
Icosahedrite	Indialite	Iserine
Idaite	Indicolite	Ishiharaite
Iddingsite	Indigirite	Ishikawaite
Idrialite	Indite	Ishkulite
Idrizite	Indium	Iskandarovite
Igelströmite	Inesite	Isochalcopyrite
Iimoriite-(Y)	Ingersonite	Isoclasite
Ikaite	Ingodite	Isocubanite
Ikorskyite	Innelite	Isoferroplatinum
Ikranite	Innsbruckite	Isokite
Ikunolite	Insizwaite	Isolueshite
Ilesite	Intersilite	Isomertieite
Ilímaussite-(Ce)	Inyoite	Isovite
Ilinskite	Iodargyrite	Isselite
Ilirneyite	Iodine	Istisuite
Illite	Iolite	Itoigawaite
Illoqite-(Ce)	Iowaite	Itoite
Ilmajokite-(Ce)	Iquiqueite	Itsiite
Ilmenite	Iranite	Ivanyukite group
Ilmenite group	Iranite group	Ivanyukite-Cu
Ilmenite-Pyrophanite Series	Iraqite-(La)	Ivanyukite-K
Ilmenorutile	Irarsite	Ivanyukite-Na
Ilsemannite	Irhtemite	Ivanyukite-Na-T
Iltisite	Iridarsenite	Ivsite
Ilvaite	Iridisite	Iwakiite
Ilyukhinite	Iridium	Iwashiroite-(Y)
Imandrite	Iridiumplatin	Iwateite
Imandrite subgroup	Iridosmine	Ixiolite group
Imayoshiite	Iridrhodruthenium	Ixiolite-(Mn2+)
Imgreite	Iriginite	Ixiolithe-(Fe2+)
Imhofite	Irinarassite	Iyoite
Imiterite	Iris Agate	Izoklakeite
Imogolite	Iris quartz

All minerals by alphabet

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