While people may know what 'olivine inclusions in gabbro (magmatic rock)' may mean, many would agree this is a stunning picture.
Olivine is a mineral made from magnesium, iron and silica. Italian Cesare used a 5X zoom to capture this colouful image.
Dipartimento di Geoscienze, Universit degli Studi di Padova, photo courtesy of Nikon Small World.