“Making a Brooch – 7/12,” amethyst stone, silver setting, by Mauro Cateb is licensed under CC By 2.0
Purple Amethyst Faceted
"Making a Brooch - 7/12," amethyst stone and silver setting. Photo by Mauro Cateb. Licensed under CC By 2.0.
Article: How to Grade Set Gemstones
Credit: Mauro Cateb
| Gemstone | Quartz, Amethyst |
| Natural or man made | Natural |
| Gem State | Faceted |
| Color | Purple |
| Transparency | Transparent |