Standard Rock Specimen Kit ( 54 Specimens)

Contains: granite–fine grained, granite–course grained, welded tuff, rhyolite, rhyolite porphyry, syenite, trachyte, phonolite, basalt, basalt porphyry, granodiorite, diorite, andesite, gabbro, anorthosite, diabase, peridotite, pegmatite, aplite, obsidian, scoria, pumice, serpentinite, shale, fossiliferous shale, siltstone, sandstone, quartz sandstone, arkose, greywacke, conglomerate, breccia, limestone, limestone fossiliferous, chert, diatomite, claystone, coal-bituminous, coal-anthracite, travertine, silicified wood, slate, phyllite, eclogite, chlorite schist, garnet schist, mica schist, amphibolite, gneiss, quartzite, marble, skarn, hornfels, mylonite.