This is a gorgeous amethyst and calcite crystal geode section from the famous amethyst mines near Artigas, Uruguay. The outer edge of the "rind" has been polished to reveal more crystal formation and even some agate.
Love some calcite with your amethyst? No problem, we've got you covered; there's a big calcite front and center and a few smaller ones.
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More Photos Here ^^^
![](https://i.ytimg.com/vi/Cycv5tOuCew/mqdefault.jpg)