Semi Precious Light Blue Stone

Sapphire is a gem variety of the mineral corundum when corundum is reddish blue to violet blue it is known simply as sapphire corundums of any other color except red which is ruby are known as fancy sapphire.

Semi precious light blue stone.

Apatite is the defining mineral for 5 on the mohs scale and it is known to occur in a wide variety of colors including a paraiba like blue green. Since the color can mask inclusions it makes them less noticeable however avoid large inclusions or fractures as these can still make the stone more breakable. Blue lace agate as it is known is usually banded in layers of light blue bright blue stripes and threads. Buy blue apatite gemstone.

On the basis of dollars spent in the united states sapphire is the most popular blue stone and the third most popular colored stone after emerald and ruby. Sodalite is a blue gemstone closely related to lapis lazuli and is in fact a component mineral thereof. This blue semi precious stone was first discovered in greenland in 1811 and was named after its sodium content. In hindu astrology the blue stone is a birthstone for sagittarius.

Apatite is normally untreated but one. For lighter toned blue gemstones a somewhat better clarity grade will improve the gem s appearance. While very few crystals are used as gems in the natural form most others are polished cut and used as jewelry. Clarity grades have much less importance in blue gemstones than in colorless stones.

Precious or semi precious gemstones are classified on the basis of their color translucency and hardness.