SUPERB GEMMY BLUE 4.1 CM AQUAMARINE CRYSTAL: MOUNT ANTERO, COLORADO-CLASSIC!!

For your consideration is this excellent, large gemmy crystal of Aquamarine Beryl from Mount Antero (probably the California Mine), Chaffee County, Colorado. No damage, great color and transparency, and a glassy, beveled termination make this an outstanding Mount Antero aquamarine crystal. From the collection of noted Colorado collector Bill Hayward (1921-2012), and likely collected by Bill as well in the 1960's or 70's. Classic!!
Specimen Dimensions: 4.1 x 1.6 x 1.5 cm. Weight: 17 grams.