Natural Blue Obsidian (raw) Obsidian is a very special stone. It is not a true mineral. It is actually a volcanic glass that forms when molten lava cools too rapidly to crystallize. It consists mostly of Silicon Dioxide.
Fordite: an anthropocenic mineral "formed from the built up of layers of enamel paint slag on tracks and skids on which cars were hand spray-painted (a now automated process), which have been baked numerous times.
So beautiful. Grains of sand magnified to 250 times real size :: Gary Greenberg's incredible microphotography reveals each grain of sand to be a kaleidoscope of colour and texture that defies its rather bland reputation.
photomicrography of giant liposomes in diameter) comprised of fats and proteins from the surface of the mammalian lung alveoli without any chemical treatment - One of the most ambitious endeavours of synthetic biology is creating “minimal cells”