Obsidian
Obsidian, an igneous rock from Yellowstone National Park, showing conchoidal fracture. Dimensions: 9 x 4.5 x 4.5 cm
Picture No
13627161
Media ID
43107791
Size
5116px x 3418px
(7.7MB)
Credit
Mark A. Schneider /Science Source/ www.ardea.com
Category
NA
Availability
Available in UK only. No agents
Ardea Picture Library
Picture No
13627161
Contributor Ref
SCS-90076395
