Sphalerite and Calcite, Hill-Ledford Mine, Ozark-Mahoning Company, Cave-in-Rock District Southern Illinois, Mined ca. 1960s, Fowler Collection, Miniature 1.5 x 4.5 x 5.5 cm, $25. Online 07/08. SOLD.
Plate of very high luster sphalerite with associated calcite. The matrix includes drusy quartz which, when combined with the provenance, identifies the location with confidence. Excellent condition. Mined ca. early 1960s. Wayne Fowler Collection.