Ruby
Ruby is a variety of corundum, which is the second hardest natural substance known on Earth. Specimen is originally from Aust-Agder, Norway, and is now on display at the Natural History Museum, London
Picture No
10710266
Media ID
47581965
Size
2456px x 2459px
(4.4MB)
Credit
Mary Evans / Natural History Museum
Source
Photograph from the Natural History Museum Collection





























