Strontianite on Barite, Rosiclare Level Minerva #1 Mine, Ozark-Mahoning Company, Cave-in-Rock District, S. Illinois, Mined April 1990, Kalaskie Collection #697, Miniature 3.0 x 4.0 x 4.5 cm, $75. Online 1/12.
Rich, ball-like group of white strontianite on snow-white barite matrix. The strontianite crystals show the classic curved terminations that distinguish it from acicular calcite. Advance mining in April 1990. Choice miniature and in excellent condition. Betty Kalaskie Collection #697.