|
Wolframite in Quartz |
|
Quartz |
|
Cobaltite |
|
Manufactured Sulfur |
|
Barite |
|
Limestone |
|
Trona |
|
Feldspar |
|
Septarian Nodule |
|
Niccolite |
|
Phylum Mollusca, Class Gastropoda |
|
Quartz Crystal |
|
Sphalerite |
|
Stibnite with accessory minerals |
|
Galena |
|
Native Silver |
|
Phylum Echinodermata, Class Crinoidea |
|
Petrified Wood |
|
Dinosaur Rib Section |
|
Phylum Echinodermata, Class Crinoidea |
