Witherite, Bethel Level, Minerva #1 Mine attr., Minerva Oil Company attr., Cave-in-Rock District, Southern Illinois, Mined c. 1960's, Ron Roberts Collection W-15, Miniature 1.5 x 3.2 x 4.0 cm, $25. Online September 14.
Undulating group of witherite crystals showing waxy luster and typical white coloration. Nice miniature in excellent condition. Acquired by Ron Roberts from Southwest Minerals, Albuquerque, NM c. 1963.