Blue Gems

Blue is one of the most popular gemstone colors. However, you can find only a handful of gemstones in a pure saturated blue hue. For example, sapphire is the only gemstone set in blue color. Tanzanite is another example. Some shades of blue gemstones are:

Grayish-Blue: Spinel is a grayish-blue gemstone because, as it is seen, most often, gray spinels have either a blue tone or a purple tone. Benitoite is an expensive gemstone that comes in a rich blue shade. It could also be grayish-blue, colorless, or yellowish in appearance.
Greenish-Blue: Aquamarine comes in the color blue to slightly greenish blue. It is a highly transparent gemstone. The watery-blue shade of aquamarine is related to tranquility and clarity. Blue zircon is a semi-precious stone known for its transparency, fantastic shine, and mesmerizing blue-green hues. Apatite usually comes in green, but at times it comes in blue as well. Blue Brazilian apatite is the rarest of gems and is highly expensive. Gem silica comes between green and blue colors. It is a precious variety of chalcedony.
Pastel Blue: Aquamarine is a prominent gemstone that comes in the color of blue to slightly greenish blue shade. It is a highly transparent gemstone. The watery blue shade of aquamarine is related to tranquility and clarity. It promotes harmony and growth in an individual’s life. Brazil is the chief source of production of this gemstone. Topaz is a multicolored stone that comes in shades like brown, yellow, blue, white, red, green, pink, etc. The commonly found shades are gray, brown, and pale yellow. The highest valuable topaz color is imperial topaz, including colors like golden, yellow, and orange.