Calcite, 12.5 cm, cementing brecciated fluorite. The calcite is typical of Hill-Ledford with matte luster, pale yellow color and scalenoedral habit. Note it is rotational C-Axis twin. The fluorite is characteristic shades of purples with medium luster and crystals typically 5-10 mm. In overall very fine condition: trivial edge abrasions on fluorite and a tiny rub on calcite. Mined ca. early 1960s. Charles Noll Collection #10421 (ascribed by Seaman Museum). Note there is an old number 573 typed on adhesive tape indicating previous collection.