This beautiful violet stone is quite affordable compared to the usual blues we have, but exhibits wonderful color, and has a mohs hardness of 7.5 making it fit for jewelry handcrafting.One remarkable feature of iolite is its pleochroic nature, which means that it displays different colors when viewed from different angles. This unique property can be observed by rotating the gemstone in hand, revealing a spectrum of colors ranging from deep blue to violet or even yellowish-gray. As a result, iolite is sometimes referred to as the "water sapphire" due to its resemblance to sapphires and its ability to exhibit a captivating play of colors.