Sister site to Mama's Minerals. Guy Hammer - Includes long list of mineralogy and geology links. They have a specific chemical composition and a characteristic crystal form. The Iowa minerals shown here display an appealing range of color and shape. Fluorescent Minerals - Includes photos of fluorescent Minerals, reference sources, and links to other sites.
Some specimens are for sale.
Information given on a mineral collector program called 'Lithos'. Marin Mineral Company - Fine minerals, crystals, gems, fossils, and lapidary rough for sale. Matts World of Minerals - Minerals, Fossils, Plate Techtonics, Geology, Mineralogy, and Morphology are all topics of this site. Mineral Display - Showcases numerous examples of Fluorites. Mineral Research Company - Minerals, meteorites and more.