Artificial carborundum
Aggregate of black lustrous hexagonal crystals with a slight iridescence, and a pile of ground powder. Carborundum is used to produced emery cloth, it is not natural
Picture No
10710246
Media ID
47581765
Size
4386px x 3458px
(7.0MB)
Credit
Mary Evans / Natural History Museum
Source
Photograph from the Natural History Museum Collection
