I have been looking at other NFTs with crystals and minerals. In my opinion, there are some very simple ones, but I also came across 2 great ones. The best one I came across is Crystal_punks. Because of copyrights I will not post any picture here, but I will link his Instagram account so you can have a look:
What was even more fun was that he was inspired to make a punk based on the yellow calcite from Malmberget, Sweden, seen in the pictures below.
And he managed to create the crystals so they look very authentic. I love the result when one idea spin of to the next one, and you'll see awesome results like this:
