4.3 x 3.3 x 2.7 (largest). Two EXCEPTIONAL pieces from a LONG EXTINCT Milwaukee, Wisconsin locale of bright, brassy millerite needles in and on limestone matrix. The showy piece features a 1.8 cm wide, calcite-lined vug with a gorgeous spray of lustrous miilerite needles. The second piece has a 1.3 cm tall spray of bright millerite needles embedded on limestone matrix. These showy pieces were found in an old limestone quarry long ago. Ex. Richard Hauck Collection. Now illegal to collect here, as it’s a state park