And continuing the african theme, this incredible 7cm group of Hopeite crystals from the Kabwe mine (or as it was called at the time this was collected, the Broken Hill mine) in Zambia.

• 继续非洲系列，这个令人难以置信的来自于赞比亚卡布韦矿（或当时被称为布罗肯山矿床）的7厘米磷锌矿晶簇在。