![](http://www.alamy.com/thumbs/6/F480D649-6397-4C2E-9BD8-070BDFE21955/2ACN5GK.jpg)
Carved malachite column. Octagonal carved column of malachite (copper carbonate hydroxide). This green mineral is often used as a semi-precious stone.
Size: 3834px × 4558px
Photo credit: © NATURAL HISTORY MUSEUM, LONDON/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: animal, anthozoa, anthozoan, background, black, cities, cnidaria, cnidarian, coelenterata, coelenterate, coral, dispar, extinct, fossil, fossilised, hard, invertebrata, invertebrate, jurassic, mesozoic, montlivaltia, montlivaltiidae, organism, phanerozoic, prehistoric, prehistory, reefs, scleractinia, scleractinian, sea, secret, shot, stony, studio, studioshot, zoological, zoology