Medium
-
Colorado Thumbnails Collection 3
-
Colorado Thumbnails Collection 1
-
Calcite 516-36
-
Ferberite 503-245
-
Stilbite and Calcite 516-29
-
Vanadinite 505-23
-
Descloizite 516-27
-
Wulfenite 501-307
-
Fluorite 516-35
-
Stilbite, Apophyllite, and Quartz 503-246
-
Pyrite 503-302
-
Fluorite 517-74
-
Heulandite 517-73
-
Stilbite and Heulandite 517-79
-
Actinolite 501-204
-
Galena 501-67
-
Heulandite 502-20
-
Wulfenite on Limonite 501-218
-
Calcite and Quartz 501-213
-
Smoky Quartz 501-180
-
Pyrite 501-249
-
Pyrite Cubes on Matrix 501-274
-
Fluorite, Smoky Quartz, Microcline, and Albite on Matrix SP2-722
-
Microcline, Smoky Quartz, Albite, and Specular Hematite SP2-723
-
Hematite (and Limonite) Pseudomorph and Smoky Quartz SP2-331