Synonyms and related words :
aa, abyssal rock, ash, ashes, basalt, bedrock, block lava, brand, brash, breccia, calx, carbon, charcoal, cinder, clinker, coal, coke, conglomerate, coom, crag, dross, druid stone, festooned pahoehoe, fume, gneiss, granite, igneous rock, limestone, living rock, magma, mantlerock, metamorphic rock, monolith, pahoehoe, pillow lava, porphyry, pudding stone, reek, regolith, rock, ropy lava, rubble, rubblestone, sandstone, sarsen, schist, scoria, scree, sedimentary rock, shelly pahoehoe, slag, smoke, smudge, smut, soot, stone, sullage, talus, tufa, tuff