Topaz – Natural, Faceted, Blue
"Blue topaz," irradiated, 21 mm diameter, Brazil, by Mauro Cateb is licensed under CC By 2.0
Article: A Faceter’s Guide To Dark Saturated Rough Gems
Credit: Mauro Cateb
| Gemstone | Topaz |
| Treatments | Irradiation |
| Natural or man made | Natural |
| Width | 21 |
| Gem State | Faceted |
| Color | Blue |
| Transparency | Transparent |