![]() It can be described as a six-pointed star, a semicircle with 6 rays. An asterism is a star-shaped concentration of light from a gemstone. The biggest difference between black sapphire and black star sapphire is that the black star sapphire displays asterism while black sapphire does not. Sapphire is beneficial for the eyes, removes impurities and tensions. Black star sapphire round 4-8mm 17, SHOP NOW. ![]() Origin: Thailand Size: 12.8 x 10.4 x 6.9 mm tall Treatment: none Weight: 10. Black sapphire is used to calm the active body systems and regulate the glands. All of our loose gemstones are inspected by a GIA certified gemologist. I missed measured with my old calipers as I do not use my digital ones around water and thought it would finish a 12 x 10 but instead it is 12.8 x 10.4 but should fit a prong style mount but will need slightly tall prongs to make it more secure in the setting. This loose black star sapphire is a natural earth-mined gem. It will make a stunning ring for a man or Lady. Well in any case it is a nice one and has had no treatments. 1.15 Ct Ceylon Natural Black Star Sapphire Cabochon VVS Loose Gemstone. The legs look more defined and it also helps make the star show up more in the direct sunlight and also helped to center the star in the middle of the stone. Black sapphire may be faceted or black star sapphire cabochons. ![]() ![]() I tried something different with this big one I gave it a high dome and more of a flat crown to see if it made the star more dramatic. Black gemstones never go out of fashion and one of the most popular black gem types is sapphire. Thailand Natural Black Star Sapphire 10.90 carat Product Thumbnail Price: $ 333.00 Gem Id: 10947 Clarity: opaque Color: black-dark brown body color with gold star Cut: oval cabochon high dome Notes: Well I had a bunch of this material I bought in 2000 as i cut a lot of cabs back then and stars and cats eyes were my favorites. ![]()
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