"CAFFEINE 6am" -Photograph of crystalline caffeine found in coffee"Caffeine 6am" has a striking illusion of depth and is certain to be a conversation starter in any home. The crystals were grown by evaporation on a glass slide. The size of the crystals are smaller at the top of the image creating the appearance of great depth. Although primarily black and white in appearance, small regions of color appear on close examination, the result of refraction of light through the crystal facets.