欧鲁普雷图
Minas Gerais, Brazil
位于巴西米纳斯吉拉斯的欧鲁普雷图是历史悠久的采金城镇,以帝王托帕石闻名。
What it is known for
The Ouro Preto district is the world's main source of imperial topaz — sherry-orange to pink gem topaz — along with fine gold and other species.
What collectors look for
Gem imperial topaz crystals, with their characteristic warm colour, are the prize.