flint, lithic, arrowheads, chert, nephrite, chalcedony, azurite, concretions, beryl, cabochons, smoky quartz, basalt, carnelian, soapstone, cinnabar, electrum, agates, amethysts, metamorphic rock, volcanic rock, peridot, garnets, jade, malachite, conodonts, ocher, adzes, tufa, jasper, igneous rock, aventurine, potsherds, quartz, microfossil, alabaster, labradorite, quartzite, spear thrower, verdigris, neolithic age, mousterian, crinoid, jadeite, awls, lapis, striations, faience, chiton, citrine, tourmaline, tesserae, semiprecious, copal, chrysocolla, openwork, opals, earthenware, cuprite, realgar, calcic, nacre, vermeil, middle paleolithic, ultramarine blue, pictographs, coprolite, etruscans, mica, marcasite, toltecs, geode, aragonite, inlaying, corundum, calcite, pontil, travertine, basketry, pewter, petroglyph, feldspar, celadon, metate, gorget, burl, alexandrite, kyanite, sharkskin, silverwork, topaz, praseodymium, birch bark, cloisonne, prehistoric, sandstone, engravings, lavas, topazes, phlogopite, moss agate, sunstone, ammonites, pebbles, opal, felspar, glaze, lacquer, onyx, serpentine, agate, amber, coal, flints, hardwood, ivory, lava, marble, flaked, chipped, bifacial, microlithic, retouched, flake, unifacial, antler, hafted, tanged, unworked, aurignacian, notched, utilized, socketed, solutrean

clovis culture, volcanic

volcanic glass