Chatham rubies are created via a flux solution method. The largest of these Chatham ruby crystals measure about a half-inch across. Photo © Joel E. Arem, PhD, FGA. Used with permission.
Lab-Created Red Ruby Rough
Chatham rubies are created via a flux solution method. The largest of these Chatham ruby crystals measure about a half-inch across. Photo © Joel E. Arem, PhD, FGA. Used with permission.
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Credit: Joel E. Arem, PhD, FGA
| Gemstone | Ruby, Corundum |
| Natural or man made | Lab-made |
| Gem State | Rough |
| Color | Red |
| Transparency | Transparent |