Macrophotograph of a backlit slice of rhodochrosite stalactite; from the Capillitas Mine, Catamarca Province; Argentina; rhodochrosite is a manganese carbonate Image #4138 6144 X 4912 pixels
Macrophotograph of fluorite (calcium fluoride); Green Fluorite Mine, Manaoshan Mountain; Hunan, China Image #4136 3200 X 4800 pixels
Macro photograph of the patterns in a piece of rhodochrosite (Manganese carbonate) Image #2303 4800 X 3200 pixels