Opal triplets, 2.70 carats each. Note how these assembled gems have a noticeably glass-like sheen. Also, their color remains on the bottom and doesn’t float towards the top of the stone. © Opal Auctions. Used with permission.
Assembled Translucent White Play-of-Color Opal Stone Cabochon
Opal triplets, 2.70 carats each. Note how these assembled gems have a noticeably glass-like sheen. Also, their color remains on the bottom and doesn't float towards the top of the stone. © Opal Auctions. Used with permission.
Article: An Incredible Union of Colors: Choosing Opal Engagement Ring Stones
Credit: Opal Auctions
| Gemstone | Opal Stone |
| Natural or man made | Assembled |
| Gem State | Cabochon |
| Color | White |
| Transparency | Translucent |
| Photo phenomena | Play of Color |