Question: what are blue gemstones for?
Answer: The most common blue stone is a Sapphire, however, the deep blue color can also be found in other gemstones such as Kyanite, Lapis Lazuli and Zircon. There are also much lighter or softer blue stones with the most common of the lighter stones being Topaz, and Aquamarine. ... Lets take a look at other blue gemstone.