didymite (didrimite)

anthropic coincidence by thumb composite sampling scheme dead smooth equalling file denial of justice dual block flood-plain meander scar full articulation GHV (gross heating value) GM_usually graphis afractuosa eschw. manufacture catalogue meningosepticum nonimage area pencil beam survey Pierrefitte-sur-Sauldre reverse air blast tetragonal sphenohedral tetartohefron upper core support barrel Wickham's striae