At the beginning of the article "The Nature of Glass" by David Zax
(Smithsonian Magazine, April 2007, pages 84-87),
primarily about Dale Chihuly's exhibit at the Fairchild Tropical Botanic Garden in Coral Gables, Florida, Zax writes:
"... glass is not just something to see through or drink out of."
The glass cullet below celebrates glass and especially its rainbow of colors, from the beautiful translucent, to the vibrant opaque, and complex marbling.