Yes they have, that's right in front of the the gift shop
It's a separate charge and everything is prepared in the tray so you're always going to get something
You get to search for and pick different types of stones from an enclosed area.
Yes, you can also pick rock and mineral samples from a field they seed.
They can't pan for gems but can explore the rock quarry to find specific stones. There is a small additional fee.
Nope
Yes, but it's not included in the mine tour and you need to purchase that separately.
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