Blue color gems are the king of all gems. Nowadays, many people bring attention to the color of the gemstone and they are not much less familiar with gemstone quality and variety as well even as the gem is extremely durable for its purpose.

A list of some most popular Blue Color gems are given below:

• Agate Gemstone- is a form of a quartz chalcedony Gem. It is considered to appear in a wide range of colors and fascinating shapes, along with many colors of dark to light blue color are available. Any of the famous trademarks used for blue agate gems are blue laced agate, blue banded agate gem, and Mohave blue agate gem.
• Blue Apatite gemstone- is composed of calcium and phosphate, just the substance which comprises bones and teeth of people. d While this mineral is very popular, and its very high-quality minerals are found extremely rarely. 
• Azurite gemstone- is a unique gem-quality of copper type. There are two basic metal carbonate stones, i.e. malachite and azurite. and this azurite is even more rarely found. Azurite has quite a distinctive and vibrant blue color which is sometimes represented as 'Azure blue,'. Azure blue gem refers to a rare deep obsidian-like color that is shown in fine quality azurite.
• Aquamarine Gemstone- Aquamarine gem is also a blue color gemstone and this is a member of the beryl family group and this stone color with residues of iron. Its color can vary from blue to blue-green and It is usually very faint, especially in comparison to more vivid and too bright color blue gems like blue topaz.
• Spinel Gemstone- Red and blue Spinel has been taken for blue sapphire gem and the red ruby gem for past years. Spinel gem has somewhat specific gemological characteristics to ruby and sapphire.