Quartz
Quartz varieties: rock crystal (colorless, 11 cts), prasiolite (green, 4.48 cts), and rose quartz (pink, 14.20 cts). Photo © Joel E. Arem, PhD, FGA. Used with permission.
Article: A Guide to Gem Classification
Credit: Joel E. Arem, PhD, FGA
Gemstone | Quartz |
Natural or man made | Natural |
Gem State | Faceted |
Color | Green, Pink, Colorless |
Transparency | Transparent |