Radioaktivní minerály -I-
Boltwoodite from Goanikontes, Namibie
Ianthinite U4+2(UO2)4O6(OH)4 · 9H2O Shinkolobwe Mine, Shinkolobwe, Kambove District, Haut-Katanga, DR Congo
Ichnusaite Th(MoO4)2 · 3H2O Punta de Su Seinargiu, Sarroch, Metropolitan City of Cagliari, Sardinia, Italy
Iraqite-(La) KCa2(La,Ce,Th)Si8O20 Shakhi-Rash Mt., Hero, Qala-Diz, Sulaymaniyah, Iraqi Kurdistan, Iraq
Iriginite (UO2)Mo6+2O7 · 3H2O Aleksandrovskii Golets Mo-U occurrence, Torgo River Basin, Chara and Tokko Rivers Confluence, Aldan Shield, Sakha Republic, Russia
Ishikawaite (U,Fe,Y)NbO4 Ishikawa District, Fukushima, Japan
Ichnusaite Th(MoO4)2 · 3H2O Punta de Su Seinargiu, Sarroch, Metropolitan City of Cagliari, Sardinia, Italy
Iraqite-(La) KCa2(La,Ce,Th)Si8O20 Shakhi-Rash Mt., Hero, Qala-Diz, Sulaymaniyah, Iraqi Kurdistan, Iraq
Iriginite (UO2)Mo6+2O7 · 3H2O Aleksandrovskii Golets Mo-U occurrence, Torgo River Basin, Chara and Tokko Rivers Confluence, Aldan Shield, Sakha Republic, Russia
Ishikawaite (U,Fe,Y)NbO4 Ishikawa District, Fukushima, Japan