20130 Niobium
Niobium metal. Width of view 4.5mm. Click on the image below for a higher resolution version.
Species
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 (682)
Siderite (130)
Silver (66)
Smithsonite (101)
Smoky Quartz (74)
Sphalerite (120)
Thomsonite (78)
Topaz (58)
Unidentified Species (74)
Wulfenite (158)