1.7″ Blue Sapphire Sphere SPG22
Here’s is a brilliant sapphire sphere.
This sapphire sphere is gemmy and has wonderful colors (beautiful blue, reddish/brown, and dark shades of gray). Sapphire is basically any color corundum except red. Red corundum is ruby.
The sphere is also chatoyant and has one star which becomes double as you move the ball in bright light (bright sunlight is the best). To locate the star, in bright sunlight rotate the ball slowly until you see a very bright spot. Once you locate the bright spot rotate the ball horizontally while rocking it to find the second one. The bright spot is essentially the star but sometimes one can see rays as well.
Origin India. The sphere was also made in india and it has a very good polish. There is one slightly rough area.
The sphere has a 1.7″ diameter or about 43.3 mm and it weighs about 165.8 g or 829 ct.
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