Doubly terminated and twinned, this superb calcite specimen, beautifully perched atop a partial, fluorite crystal, measures 9.3 cm in length. One termination is single while the other exhibits multiple terminations The calcite is lustrous and gemmy with a rich amber color. Twinned calcite crystals are not common from the Illinois-Kentucky fluorite district. Mined December 22, 1983 and from the Ross Lillie collection. RCL#0581.