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| Tray No 1 - Zircon | ||
| These rough zircons are from Tanzania. They have not been heated, but do respond nicely to a gentle heating after cutting. Most of the orange brown stones can be heated to a yellow, or with less heating can be heated to a brighter orange color. They can also be left as they are for a very nice natural stone. These stones have been becoming harded to obtain every year. All the stones are graded as AAA and will cut a clean gem. | ||
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