News
Geographic origin can be conclusively and accurately determined for the vast majority of Paraíba tourmalines based on their trace element profiles, allowing this service to be offered for Paraíba ...
Although the geological context of gem-quality sapphires from secondary deposits is unknown, studying their geochemistry and the type of inclusions in combination with dating zircon inclusions could ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results