Rhenium is one of the rarest elements in the earths crust, and has one of the highest boiling points at an estimated 5873K. Ever wonder what it looks like under the microscope?
Polarized light microscopy brings out incredible colors in chemicals. Have a look at Bromine under the microscope.
Holmium (a metal) looks fairly interesting by polarized light microscopy.
See my numerous 360 interactive panorama’s of Gardens By the Bay in Singapore, taken both during the day and also at night.