Figure 1. A pinkish orange inclusion dominates the interior of this 20.58 ct unpolished topaz crystal from Pakistan. Photograph by Kevin Schumacher.
Figure 2. A combination of Raman and EDXRF analysis served to identify the inclusion as triplite. The inclusion is seen here using brightfield and fiberoptic illumination. Photomicrograph by Nathan Renfro; field of view 9.39 mm.
Fluorite and opaque inclusions in topaz.
Surface treatment with metallic oxides resulted in the unique look of this ring’s gem, marketed as mystic topaz. - Courtesy Livingstone Jewelry