Blue Topaz Gemstones
Group of faceted blue topaz gemstones, variopus shapes weighing about 5 to 15 carats. Although natural blue topaz of this color does exist, the vast majority of such stones are colored artificially by subjecting white (colorless) topaz to irradiation and
Picture No
13626094
Media ID
43153188
Size
3851px x 2550px
(3.3MB)
Credit
Joel Arem /Science Source/ www.ardea.com
Category
NA
Availability
Available in UK only. No agents
Ardea Picture Library
Picture No
13626094
Contributor Ref
SCS-90075328
