Like plastic imitations, slocum stone can have a variety of different appearances. "Slocum Stone," photo by Roy Goldberg. Public Domain.
Lab-Created Translucent Yellow Play-of-Color Opal Stone Cabochon
Like plastic opal imitations, Slocum Stone can have a variety of different appearances. Photo by Roy Goldberg. Public Domain.
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Credit: Roy Goldberg
| Gemstone | Opal Stone |
| Natural or man made | Lab-made |
| Gem State | Cabochon |
| Color | Yellow, Colorless, Black |
| Transparency | Translucent |
| Photo phenomena | Play of Color |