Minerals

A narrow passage contains a vertical flow of white and orange mineral deposits.

Large specimen of cave bacon at Jewel Cave National Monument

A mountain range is covered in trees with vibrant yellow foliage and green pine trees.

Tiny opal sculpture on display at Denver Museum of Nature and Science

Mesolite crystal on display at Denver Museum of Nature and Science

Slice through a quartz nodule on display at Denver Museum of Nature and Science

Fluorescent minerals on display at Colorado School of Mines Geology Museum

Fluorescent minerals on display at Colorado School of Mines Geology Museum

Fluorescent minerals on display at Colorado School of Mines Geology Museum