Huong, L. T. T., Otter, L. M., Häger, T., Ullmann, T., Hofmeister, W., Weis, U., & Jochum, K. P. (2016). A New Find of Danburite in the Luc Yen Mining Area, Vietnam. Gems & Gemology, 52(4). Link to Article
Huong, L. T. T., Otter, L. M., Häger, T., Ullmann, T., Hofmeister, W., Weis, U., & Jochum, K. P. (2016). A New Find of Danburite in the Luc Yen Mining Area, Vietnam. Gems & Gemology, 52(4). Link to Article