Tanzanite, Merelani Hills, Tanzania Sterling Hill Each measures 2

Each measures 2

Austrailian opal is bezel set in 14k yellow gold and nested next to a sterling silver casting from a cutting of a jade plant

8 grams and measures 4 x 4

Septarian is made up of Calcite (yellow)

An uncommon locality example of stilbite from the Brett Whitenack Collection

Tanzanite, Merelani Hills, Tanzania Sterling Hill Each measures 2Tanzanite Merelani Hills, Arusha Region, Tanzania Ex. Greg Boles Collection 22 x 8 x 8 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