Amethyst is a relatively common quartz that attains its royal purple color from iron. It can vary in color from pale lilac to a deep purple – the deeper colors more likely to be turned into fine gemstones. Jewellers can intensify the color by applying heat to the stone. It is likely to shade strong at the tip and weaken […]
Amethyst
Tigers Eye
Tigers Eye is a (metamorphic) mix of rock, iron oxide deposits and red jasper, the latter giving the red layers that can be seen on closer inspection and the iron oxide giving it various hues of brown. Its formation gives it a chatoyant effect, meaning it changes colour in different light and angles. It resembles a tiger’s (or cat’s) eye […]