Garnets are complex. The mineral that makes them up is found in myriad forms, but the majority of them are red to some degree. These range from deep red almandine garne… 展开

Few minerals can match the intense red of cinnabar. This mineral has a reputation for both its color and the danger involved in handling it, it’s one of the primary ores of mercury after all… 展开

A manganese carbonate mineral that comes in a variety of red and pink shades, rhodochrosite takes a few different forms. Among collectors, the most well-known are the banded pink … 展开

Carnelian is a red variant of chalcedony, colored by iron oxide. The red is of a more earth-tone variety than most of the minerals on this list, with the best material still being more of an eart… 展开