Sayrite

Sayrite (Pb₂(UO₂)₅O₆(OH)₂4(H₂O)) is an alteration product of uraninite named after the X-ray crystallographerDavid Sayre. Sayrite contains hydrogen, oxygen, uranium and lead. It is mined at Shinkolobwe Mine, (Kasolo Mine), , Haut-Katanga, Democratic Republic of the Congo. It is usually orange in color but also can be reddish and yellowish and is in the monoclinic crystal system.