pyromorphite: The Garnet Group is a group of 16 species of nesosilicates, all called Garnets. The Garnet Group shares the same crystal structure, and for that structure of perfectly faceted crystals Garnets have attracted the attention of early civilizations across the globe. The four groups that will be covered are Pyrope, Spessartite, Almandite, and Grossularite. (via geologyrocks)
Complex aggregate of minerals; Kimzeyite (brown-grey), Magnetite (black) Perovskites (lustrous black) on Albite (white). Kimzeyite is a rare silicate in the Garnet group. / Magnet Cove, Hot Springs Co.