Moonstone
Some inexperienced buyers might mistake adularescent moonstone for opal. "Moonstone" by Kelly McCaughey, photo by The Gem Vault. Licensed under CC By 2.0.
Article: Opal Simulants: How to Spot Imitation Opal
Credit: The Gem Vault
| Gemstone | Feldspar, Orthoclase, Moonstone |
| Natural or man made | Natural |
| Jewelry type | necklace |
| Gem State | Cabochon |
| Color | Colorless |
| Transparency | Transparent |
| Photo phenomena | Adularescence |