Calcite Geode

Geode, Calcite and Selenite crystals, Lehigh Portland Cement Quarry, Mitchell, Indiana
Sample 113C/2832A

Geode, Calcite and Selenite crystals, Lehigh Portland Cement Quarry, Mitchell, Indiana
Sample 115/2832B

Fossil Cavity with Calcite crystals, Fair Bank, Iowa
Sample 710

Calcite Geode, phosphorescent, Salem, Indiana
Sample 2819

Calcite Geode, phosphorescent, Salem, Indiana
Sample 2820

Calcite Geode, Boston, Kentucky
Sample 2826

Rhodochrosite

Rhodochrosite, Polished Slab, Argentina
Sample 649 (DISPLAY CASE)

Rhodochrosite, Silverton, Colorado
Sample 2784

Smithsonite

Smithsonite Botryoidal, Kelly Mine, Magdalena, New Mexico; Color due to Copper compounds
Sample 99

Smithsonite, Kelly Mine, Kelly, New Mexico
Sample 2853 (DISPLAY CASE)

Smithsonite, Kelly Mine, Kelly, New Mexico
Sample 2854

Smithsonite, Old Mexico
Sample 2890

Travertine

Travertine Egg, Taluca, Mexico
Sample 427

Travertine, Grand Cayman Island, West Indies
Sample 724A

Travertine Egg, Rome, Italy
Sample 726