Sapphire, Sri Lanka El Hammam mine Handmade in Bali

Handmade in Bali

This is a superior reference for rockhounds

This druzy black quartz stalactite formation is from Uruguay

Afghanistan

This piece of elbaite tourmaline from the Cruzeiro Mine in Minas Gerais Brasil weighs 390 grams and measures 6

Sapphire, Sri Lanka El Hammam mine Handmade in BaliSapphire Sri Lanka Ex. Greg Boles Collection 20 x 10 mm Mounted In A Standard Perky Box This mineral specimen is from the collection of Gregory Boles. Greg has had a lifelong passion for collecting minerals and other geological items. His hobby started at an early age in 1956 and continues to this day. Greg's enthusiasm for science led him to receive a BS in geology from the University of Kansas in 1987. He attributes all his knowledge in the field to