A carbonate crystal, identified with micro Raman, is suspended in this spinel from Mahenge, Tanzania. Note the streams of small, dust-like particles which are typical of the Mahenge material.
Natural Spinel • Tanzania; Mahenge • Enhancements: None Detected (None) • Lighting Conditions: Dark Field + Diffuse Fiber Optic
Photographer: E. Billie Hughes •
Image Number: A-004-0196-2 • Field of View = 3 mm • Date Posted: 11 October 2021
Hughes, E.B., Koivula, J.I., Manorotkul, W., Renfro, N. and Hughes, R.W. (2019) Spinel inclusions: An exercise in aesthetics. InColor, No. 43, pp. 48–55; RWHL*.
Gübelin, E.J. and Koivula, J.I. (2005) Photoatlas of Inclusions in Gemstones, Volume 2. Basel, Switzerland, Opinio Publishers, 830 pp.; RWHL*.