Grape Agate M/L Emerald These pieces of cuboidal fluorite

These pieces of cuboidal fluorite crystals in varying shades of dark green occur on a high contrast white-gray matrix

Barite is a mineral with an interesting history

Azurite has been sought after since ancient times as a gem and for use in blue pigment

from the Upper Silurian age

Natural copper is relatively soft and often found in intricate and unique structures

Grape Agate M/L Emerald These pieces of cuboidal fluoriteGrape Agate is a unique and distinctive mineral known from only a few locations on earth. Not technically an agate, it is instead formally known as botryoidal purple chalcedony. Named for the small spherical crystal nodules, these individual grapes can range in color from turquoise to deep purple, depending on the presence of minerals like manganese or iron during the formation of the crystals. Grape agate is a relatively new mineral and sought after