A group of beautiful display specimens includes Amethyst, a purple variety of quartz (~9 x 3 x 3.5 inches, ~1.8 pounds); a beautiful pale-blue Celestite, a strontium sulfate (~3.75 x 3.25 x 2.75, ~601 grams); Acicular Cuprite, fine reddish, needle-like crystals of copper oxide also called Chalcotricite (~3.3 x 2 x 2.5 inches, ~238.3 grams); Rough Malachite, a rich, green copper carbonate (~27 pieces, ~389.8 grams); Quartz Crystal, similar to those found in Arkansas (~4.25 x 2 x 2.25, ~291.9 grams); and two Iron-stained Quartz Crystals (~3.75 x 0.75 x 0.75, ~3 x 1 x 0.75, 110 grams total).Date: Country (if not USA): State: City: Provenance: William Mayrsohn Collection