Calcareous Concretions – Natural, Rough, Pink
This vintage ring shows off a quahog pearl with an attractive color gradient. © Kojima Pearl. Used with permission.
Article: Quahog Pearl Buying Guide
Credit: Kojima Pearl
Gemstone | Calcareous Concretions |
Natural or man made | Natural |
Jewelry type | Ring |
Gem State | Rough |
Color | Pink |
Transparency | Opaque |