jewelry

Paraíba tourmaline’s neon-blue hues stunned the gem world in the 1980s. These intense colors finally allowed tourmaline to claim its space…

Known for stunning, saturated hues, tourmaline is a colorful and modern gemstone. Most tourmalines undergo heat and radiation treatments…

Watermelon tourmaline adds a fun and playful feel to jewelry. Check out our watermelon tourmaline buying guide and learn the quality criteria…

Rare chrome tourmaline can show an emerald-like green color. With a highly desired color and tourmaline’s excellent qualities as a jewelry…

For this lesson, please read our gemstone encyclopedia listing Rubellite Tourmaline Value Price and Jewelry Information and then you can come…

During the early 2000s, a great deal of African paraíba tourmaline rough was mixed and sold with Brazilian material. It’s very difficult…

For this lesson, please read our gemstone encyclopedia listing Paraíba Tourmaline Value Price and Jewelry Information and then you can…

The Usambara effect is the term applied to a type of color change in gemstones, first seen in tourmalines from the Umba Valley in Tanzania. However,…

For this lesson, please read our gemstone encyclopedia listing Tourmaline Value Price and Jewelry Information and then you can come back here…