| extensive fields in the prophetically named Kimberley district of Western Australia promise to be of world importance...intermediate and acid members of the volcanic province in southern Brazil and Uruguay, and the fire opals...particularly in the Yun Yang deposit in Hubei Province, China. For many years on the basis of experimental...Mining Kimberlite at the Majhgawan deposit, Panna District, Madhya Pradesh, India one of a variety of underground... and Yang Mingxin, 1998. Turquoise from Hubei Province, China. Journal of Gemmology, 26(1), 1β12 Sevdermish |
