I have a massive interest in mineralogy and used to post my collection regularly on my Instagram @kanes.collect. Ive since paused on investing in an online presence there but here are a few of my favorite pieces
Amethyst from the Goboboseb Mnt. range in Namibia
Staurolite from Pestovye Keivy, Russia
Feldspar from the Czech Republic
Copper pseudomorph after azurite from the Copper Rose Mine in Grant Co., New Mexico
I have 2 closets full of boxes of rocks, minerals, fossils, and some gems and shells. Thankfully iNaturalist and related studies has steered me away from acquisition based interests aside from the occasional feild guides and textbooks - which Ill share some of later this week when I’m packing to move.
Also, not sure if we’d count tattoos as a part of our nature collections but my first tattoo was a Luna moth in a lightbulb between my shoulders.