20138 Ruthenium

Albite (82) Amethyst (59) Analcime (124) Anatase (102) Anglesite (73) Aragonite (72) Azurite (168) Barite (198) Brochantite (67) Calcite (578) Cassiterite (96) Cerussite (183) Chabazite (193) Chalcopyrite (83) Chrysocolla (69) Copper (96) Crocoite (100) Cuprite (99) Dolomite (111) Fluorapatite (75) Fluorite (274) Galena (80) Goethite (123) Gold (245) Gypsum (81) Hematite (148) Hemimorphite (68) Libethenite (95) Magnetite (62) Malachite (233) Mimetite (169) Natrolite (132) Phillipsite (141) Pyrite (250) Pyromorphite (208) Quartz (683) Siderite (130) Silver (66) Smithsonite (101) Smoky Quartz (74) Sphalerite (120) Thomsonite (78) Topaz (58) Unidentified Species (74) Wulfenite (158)