Fee digging sites in North Carolina also produce some sapphire, but only a small amount of sapphire occurs in North Carolina. In terms of gem production in the United States, sapphire is commercially mined only in Montana. In all, the rough in this photo is 64 carats. Just below the 1.53-ct sapphire ring is the largest stone, weighing in at 10 carats rough. The rough and cut sapphires in this image are all natural-color stones from the Missouri River's El Dorado Bar. Furthermore, sapphire doesn't fracture easily, making it one of the best jewelry stones. With a hardness of 9 on the Mohs scale, only diamond can scratch a sapphire.
0 Comments
Leave a Reply. |