Tridacna pearl necklace, 38 round beads, 104 g. Photo courtesy of liveauctioneers.com and Tai Ji International Auctions.
Opaque White Calcareous Concretions Rough in Necklace
Tridacna pearl necklace, 38 round beads, 104 g. Photo courtesy of liveauctioneers.com and Tai Ji International Auctions.
Article: Calcareous Concretions Value, Price, and Jewelry Information
Credit: Tai Ji International Auctions
| Gemstone | Calcareous Concretions |
| Natural or man made | Natural |
| Jewelry type | necklace |
| Gem State | Rough |
| Color | White |
| Transparency | Opaque |