1. Development of Treatments for Gemstone Material from Scandinavia Turning waste into treasure.

2. Aim of the project Development of treatments for potential gemstonematerial found in association with mines in Scandinavia.

3. Before and after treatment

4. Exampels on Scandinavian gemstones. Sweden: Garnets, Apatite, Smokey quartz, Rockcrystal, Rosequartz, Amethyst, Tourmaline, Spinel, Epidote. Finland: Ruby, Sapphire, Garnets, Iolite, Amethyst, Diamonds, Spectrolite. Norway: Garnets, Ruby, Iolite, Rockcrystal, Spinel Greenland: Ruby.

5. Iolite is extremely pleochroic

6. Apatite is a very different material than iolite. Softer, less stabile.

7. Gunilla Bertilson Research Engineer Luleå University of Technology Jan Asplund Mentor Ädelstensakademin Christina Wanhainen Associate Professor/Mentor Luleå University of Technology Jenny Söderström CEO Kristallen AB Lannavaara

8. Lannavaara