Fluorite from Big Cottonwood Canyon, Salt Lake Co., Utah. As far as I can tell, this is the only specimen to have ever come out of this specific locale. #rockhounding #utah #bigcottonwoodcanyon #fluorite #mineralspecimens

Rainbow lattice feldspar from the Hart Range in Australia. #crystals #rainbowlatticefeldspar #australia #mineralspecimens #crystalcollecting

Tourmaline with quartz from Pakistan. #tourmaline #quartz #elbaite #pakistan #mineralspecimens #crystals

Beautiful old stock tourmaline from the Cruzeiro Mine in Minas Gerais, Brazil. #tourmaline #mineralspecimens #minasgerais #crystals

Hematite pseudomorph after magnetite, from Malarque, Argentina #hematite #magnetite #pseudomorph #crystal #mineralspecimen

Tourmaline from the Chia Mine in Minas Gerais, Brazil. #elbaite #tourmaline #minasgerais #brazil #crystals #gems #mineralspecimens

A clam fossil that formed pyrolusite and kerchenite crystals within. This specimen comes from the Kerch Peninsula in Ukraine, for which the latter mineral gets its name. #fossils #clam #fossil #pyrolusite #kerchenite #ukraine #mineralspecimens