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Lapis Ring |
 | | Lapis lazuli is one of the stones with the longest tradition of being considered a gem, with a history stretching back 7,000 years. |
 | | This source of lapis may be the oldest continually worked set of mines in the world, the same mines operating today having supplied the lapis of the pharaohs. |
 | | The main component of lapis lazuli is lazurite (25 to 40 percent), a feldspathoid silicate mineral composed of sodium, aluminium, silicon, oxygen, sulfur, and chlorine. |
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