A melted crystal with a trapped gas bubble in a heat-treated ruby from the Thal-Cambodian border.
Natural Ruby • Thailand/Cambodia • Enhancements: Heat (H) • Lighting Conditions: Fiber Optic: Oblique
Photographer: Wimon Manorotkul •
Image Number: R-001-2631-4 • Date Posted: 02 October 2015
Gübelin, E.J. and Koivula, J.I. (2005) Photoatlas of Inclusions in Gemstones, Volume 3. Basel, Switzerland, Opinio Publishers, 672 pp.; RWHL*.