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Color zoning in amethyst from Boudi, Morocco
Amethyst from Boudi, Morocco

An introduction to Moroccan amethyst, which features distinctive color zoning and inclusions.

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亚利桑那州四峰的紫水晶

一个多世纪以来,亚利桑那州马里科帕县的四峰矿已产出宝石级紫水晶。

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