 Red spinel, umbalite, and lilac spinel from Nomad’s | Folks attending JCK Las Vegas will find no shortage of loose colored gemstones. Gemstone exhibitors include both domestic and international dealers, many of whom are known for carrying merchandise that isn’t found anywhere else. The buzz this year is all about Lagoon tourmaline. |
 | Fine, pure blues are extremely hard to come by, so the next best thing is what the trade calls a "Lagoon" tourmaline which is a very cool bluish-green. |  |
