Grape Agate M/L Chalcopyrite Depending on the minerals present

Depending on the minerals present during fossilization

see photo for small but visible crack in slab

or chemical cleaning agent

Creedite is a rare mineral in the hydoxylhalide group and is often formed from the intense oxidation of fluorite formations

These unique

Grape Agate M/L Chalcopyrite Depending on the minerals presentGrape 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