Opal
Boulder or nodular opal in a sandstone matrix from Queensland, Australia. Opals are not truely crystalline and are therefore mineraloids. They comprise of (hydrated silica glass)
Picture No
10703712
Media ID
47586230
Size
3843px x 4949px
(16.9MB)
Credit
Mary Evans / Natural History Museum
Source
Photograph from the Natural History Museum Collection
Pick your License
Australasia Boulder Glassy Hydrated Matrix Mineraloid Nodule Opal Opalescence Silica Texture
Features In These Collections
> Contributors > NHM
