1481 Gruzdevite, Tellurite, Moctezuma Mine (Bambolla Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Yellow-green tellurite. Grey-metallic gruzdevite microcrystals are embedded in the matrix. Ex Excalibur Minerals. Ex Eugene Carmichael Collection number 1026. Ex John Betts number 58658.