The Flatirons Mineral Club Gem and Mineral Show is 9 a.m. to 5 p.m. today and 10 a.m. to 5 p.m. Sunday at the Boulder County Fairgrounds exhibit building, 9595 Nelson Road, Longmont.

An alexandrite – a breathtaking aquamarine stone – on the other hand, is the rarest of all gems. According to Henry Kennedy, of Elizabeth, the man who mined the stone in Brazil, there are no ...

“And they have gems that are equal in quality, for instance emeralds compared to the Colombian.” The gems are on display, and for sale, at Ginger’s Jewelry through Saturday.