Grape Agate M/L Chalcopyrite see photo for small but

see photo for small but visible crack in slab

chunky fluorite crystals conceals a brilliant secret deep within the lustrous azure surfaces: shiny pyrite formations at the base of the crystals

The unique dark sugar quartz matrix evokes interstellar scenes of distant star clusters and nebulae offsetting the brilliant shine of the calcite crystals it contains

Depending on the minerals present during fossilization

These unique

Grape Agate M/L Chalcopyrite see photo for small butGrape 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