29 ROCKS! 1 Mineral!
Eclogite, Metamorphic Rock, Newberry, North Carolina, USA
Eclogite-Omphacite-garnet, Metamorphic Rock, Reed Station, Tiburon Peninsula, Marin County, California, USA
Felsite, Igneous Rock, Ely, White Pine County, Nevada

Flint (Chert)- Sedimentary Rock, DOver, England
Gabbro-hornblende norite, Igneous rock, Nevada County, California, USA
Gabbro - sodaclase, Igneous Rock, Lane County, Oregon, USA
Granodiorite, igneous rock, Sacramento COunty, California, USA
Greenstone, metamorphic rock, Placerville, El Dorado County, California, USA
Hornfels-Sericite, metamorphic rock, Kyoto, Japan
Ignimbrite, igneous rock, Jalpa, Zacatecas, Mexico
Pegmatite,with albite albaite cassiterite manganapatite, igneous rock, Varutrask, Boliden, Sweden
Pegmatite - granite, igneous rock, Pala, San Diego COunty, California, California, USA
Perlite with obsidian, igneous rock, Chaffee County, Colorado, USA
Perlite, Igneous rock, Superior,Pinal COunty, Arizona, USA
Perlite, igneous rock, Pioche, Lincoln County, Nevada, USA
Phosphorite, sedimentary rock, Drummond, Powell County, Montana, USA
Pyroxenite - Bastite, igneous rock, Mira Vista Country Club, Richmond, Contra Costa County, California, USA
Rhyolite - Leona, igneous rock, age tertiary pleiocene, Lake Temescal, Oakland, Alameda County, California, USA
Rhyolite - lithophase, igneous rock, Topaz Mountains, Utah, USA
Rhyolite, soda rhyolite, igneous rock, Sonoma COunty, California, USA
Rhyolite Agglomerate, igneous rock, Sonoma COunty, California, USA
Rhyolite Breccia, igneous rock, custer county, South Dakota, USA
Sanidine Trachyte Porphyry, igneous rock, Drachenfels, Siebengebirge, Rhineland, Germany
Serpentinite, metamorphic rock, Feather River Canyon, Plumas County, California, USA
Sodaclase-Quartz-Diorite, igneous rock, Planada Quadrangle, Mormon Bar, Mariposa County, California, USA
Taconite, sedimentary rock, Mesabi Range, Minnesota, USA
Tactite garnet-epidote-quartz, igneous rock, Calaveras County, California, USA
Unakite - epidotised granite, igneous rock, Flag Pond, Tennessee, USA