Tourmaline

Tourmaline is often collected in vibrant greens, juicy pinks, and specimens which contain both shades in the variety known as “Watermelon Tourmaline.”  One of the birthstones for October, in the 1500s Portuguese explorers in Brazil confused these gems with Emeralds and Sapphires. Tourmaline was not correctly identified until 1793. 
Natural Paraiba Tourmaline 3.42 Carats
Natural Chrome Tourmaline 2.52 Carats
Natural Green Tourmaline 8.72 Carats
Natural Lagoon Blue Tourmaline 3.13 Carats
Natural Blue Tourmaline 11.69 Carats
Natural Orange Tourmaline 29.34 Carats
Natural Color Change Paraiba Type Tourmaline 32.78 Carats With GIA Report
Natural Bicolor Tourmaline 16.93 Carats
Natural Chrome Tourmaline 4.43 Carats
Natural Chrome Tourmaline 2.90 Carats
Natural Olive Green Tourmaline 1.79 Carats
Natural Chrome Tourmaline 2.57 Carats
Natural Seaform Tourmaline 23.99 Carats
Natural Rubelite Tourmaline 34.23 Carats With GIA Report
Natural Rubelite Tourmaline 10.66 Carats
Natural Pink Tourmaline 4.57 Carats
Natural Tourmaline 27.88 Carats Usambara effect
Natural Chrome Tourmaline 4.01 Carats