Blue Star Sapphire Gemsona

Add to 20 or deduct to 10 for other cutting.

Blue star sapphire gemsona. Add 10 to 20 for emeralds and marquis. 3 3 out of 5 stars 34. Prices for ovals and cushions. Similar to the blue sapphire differs in that it has an aqueous inclusion in its makeup that creates a refracted five pointed star on the stone s surface.

This star is a focus point in the gem. Star sapphires exhibit a special optical phenomenon called asterism. Star sapphire is rarely available in large sizes so most jewelry will feature small stones only. Sapphire along with her sister gemstone ruby belongs to the corundum group of gemstones considered one of the hardest minerals on earth.

The most common star pattern is a 6 rayed star although star sapphires with 4 rays and 12 rays have been found. The blue color of star sapphire represents the sky. If certified burmese and untreated add 50 except fair or lower grades. The thai blue star sapphire is a variety of sapphire that displays a six pointed star pattern radiating from the inky depths of the stone.

Tiny needles of silk within the sapphire crystal reflect light and form a star sapphire s telltale star. Get it as soon as thu oct 8. This gemstone can blow away everything and make things bright like a clear blue sky. Free shipping by amazon.

Besides blue sapphire and ruby the corundum family also includes so called fancy sapphires they come in violet green yellow orange pink purple and intermediate hues. Black and blue star sapphire gemstones are very popular for men s jewelry. This phenomenon is called asterism and can push the value up of stone enormously. Typically mid quality untreated blue sapphire will sell for 20 30 more than a treated stone of the same quality.

Formed by what is commonly known to be needles in the gemstone industry the star seen on a sapphire tends to be more valuable when the rays are sharper and the body color of the gem is a deep night sky blue. Parti sapphires show two or more colors. Buy colored gemstones by size and not by carat weight. Star sapphire which is a symbol of the sky is known as a gemstone that we can have the wisdom of the god.

Natural stone beads 8mm phoenix lapis lazuli gemstone round loose beads crystal energy stone healing power for jewelry making diy 1 strand 15. Some stones exhibit the phenomenon known as color change most often going from blue in daylight or fluorescent lighting to purple under incandescent light. Add 8 to 10 for rounds and pears. Some black star sapphires can be found in large sizes and these are perfect for oversized rings and pendants.

20 ct 10 pcs natural 6 rays precious star blue sapphire loose gemstones lot oval cabochon blue star sapphire. Star sapphires are mined in myanmar and sri lanka.