Fluorite, Tower Rock Mine Area, Iron Hill, Hardin County, Southern Illinois, ex. Roy Smith Collection, Small Cabinet, 5.0 x 5.5 x 7.0 cm, $150. Online Dec. 12.
Group of sharp purple fluorite crystals to 3.2 cm on altered sandstone matrix. Note: Distinctive surface etching on fluorite and associated iron oxides in matrix are hallmarks of this near surface location. Excellent specimen from an obscure location on the far southwest extension of the Cave-in-Rock District.