Agate
A close-up view of agate. Agate is a form of the mineral quartz (silicon oxide). The colors are due to metal ion impurities as the mineral formed
Picture No
13624875
Media ID
43071708
Size
3750px x 2500px
(3.6MB)
Credit
Ted Kinsman /Science Source/ www.ardea.com
Category
NA
Availability
Available in UK only. No agents
Ardea Picture Library
Picture No
13624875
Contributor Ref
SCS-90074109
