Dioptase is a stunning green mineral which is often found growing on the more
common quartz. The world best dioptase is found within the Tsumeb mine, Namibia
which is a copper mine leading to its breath taking green colour. Its is use
within the jewellery market, sometime as ‘emeralds’. Dioptase is
mostly found in clusters and its course surface gives it a green sparkle , when
fully terminated, its crystals are square.