Semi Precious Light Blue Stone

Blue lace agate as it is known is usually banded in layers of light blue bright blue stripes and threads.

Semi precious light blue stone.

While very few crystals are used as gems in the natural form most others are polished cut and used as jewelry. Sodalite is a blue gemstone closely related to lapis lazuli and is in fact a component mineral thereof. 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. In hindu astrology the blue stone is a birthstone for sagittarius.

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. Precious or semi precious gemstones are classified on the basis of their color translucency and hardness. Clarity grades have much less importance in blue gemstones than in colorless stones. Apatite is normally untreated but one.

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. 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. Apatite is composed of calcium phosphate the same material that makes up our teeth and bones. Buy blue apatite gemstone.

For lighter toned blue gemstones a somewhat better clarity grade will improve the gem s appearance.