If staying in Luosto, you simply must visit this place. The views alone from the top of Luosto fell make it worth it. Take your camera. The mine is not undeground, the area the visitors go to is rather covered with a timber roof. It's a large area with lots of rough wooden steps, so not for those that aren't so agile.
You get to dig your own amethysts, and are practically guaranteed to find some. They won't be great quality that you can use in jewellery, though. We enjoyed our visit thoroughly, and the guides (at least in 3 languages) were knowledgeable and provided us with a wealth of info.
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