Fluorite, Cave-In-Rock District, ILLinois aquamarine Ring A Peruvian pyrite example that

A Peruvian pyrite example that is defiantly different from the norm

and displays a beautiful rainbow on the backside of one of the larger internal crystals

A well formed hematite phantom inclusion displays perfectly in a highly transparent quartz crystal

which basically means the edges of the crystal grew quicker than the faces

The primary crystals are all in good condition with the largest measuring over 9mm

Fluorite, Cave-In-Rock District, ILLinois aquamarine Ring A Peruvian pyrite example thatFluorite Cave In Rock District, Hardin County, ILLinois, USA Ex. Greg Boles Collection 28 x 22 mm Mounted In A Standard Perky Box This mineral specimen is from the collection of Gregory Boles. Greg has had a lifelong passion for collecting minerals and other geological items. His hobby started at an early age in 1956 and continues to this day. Greg's enthusiasm for science led him to receive a BS in geology from the University of Kansas in 1987. He