Citrine Citrine is a transparent, yellow variety of Quartz, ranging in color from pale to golden yellow, honey or almost brown, and may contain rainbow or sparkle inclusions. The name comes from the French word citron, meaning lemon. Citrine is found in the Free...
Chalcopyrite Chalcopyrite is a copper bearing mineral and is of high economic importance. The mineral has a brass-yellow colour to it and may sometimes be iridescent, resembling bornite. Chalcopyrite is found in South Africa, Namibia, Zimambwe, Botswana and...
