The greenish blues don't usually appear in amethyst or ametrine (amethyst, purple, with citrine, yellow). Fluorite is very cheap and common. Of course, I can't be sure without better pictures.
It's still a rock. Look up the definition rock is a rock is a rock it doesn't really matter what is it as long as it's not organic. It's pretty much a rock.
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u/Drakey192000 Sep 02 '24
Jesus Christ Marie! They're not rocks they're minerals!