Fig. 4. Cytoplasmic face of the plasma membrane, prepared using a rapid freeze, deep etch, rotary shadowing method. Note the flat clathrin lattices, consisting mainly of hexagons, and the rounder, deeply invaginated clathrin-coated pits, consisting of pentagons as well as hexagons. Electron micrograph courtesy of Dr. John Heuser.
Dendrographa leucophaea f. minor (lichen), from Lichens of North America, by Brodo and Sharnoff
AZURITE (Copper Carbonate) crystal from M,Cissi, Er Rachidia, Morocco. A large vein of drusy azurite crystals.