234 specimens in our catalog
Spherulite
Gypsum with Sulfur
Sanidine
Semseyite
Malachite
Desert Rose (Gypsum)
Amphibolite
Pyrrhotite
Phlogopite
Hydromica and Smectite (Weathering Products)
Moonstone
Paralaurionite
Piemontite
Azurite
Orthoclase
Neptunite
Népouite
Muscovite
Lepidolite
Stilbite
