Quartz/amethyst tumble

Greetings. I recently finished a very lengthy quartz/amethyst tumble. I often have trouble getting these stones as shiny as I'd like, so I ran a very long AO polish cycle (about 6 weeks). Here are the results:

First, photos of the whole mixed batch:

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Here are the amethyst:

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Here is some quartz, collected at Ruggles Mine:

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I tossed in some aventurine:

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Some quartzite from my road:

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All in all, I'm pretty pleased. Thanks for looking!