Pale colors and attractive button shapes are typical of quahog pearls. © Kojima Pearl. Used with permission.
Opaque Pink Calcareous Concretions Rough
Pale colors and attractive button shapes are typical of quahog pearls. © Kojima Pearl. Used with permission.
Article: Quahog Pearl Buying Guide
Credit: Kojima Pearl
| Gemstone | Calcareous Concretions |
| Natural or man made | Natural |
| Gem State | Rough |
| Color | Pink |
| Transparency | Opaque |