Home > Term: pearl
pearl
A dense spherical calcareous concretion, usually white or light-colored, consisting of occasional layers of conchiolin and predominant nacrous layers of aragonite (or rarely calcite); deposited concentrically about a foreign particle within or beneath the mantle of various marine and freshwater mollusks; occurs either free from or attached to the shell.
- Jenis Kata: noun
- Industri / Domain: Pertambangan
- Kategori: Peratmbangan secara umum; Mineral mining
- Government Agency: USBM
0
Penulis
- ed.young
- 100% positive feedback
(Milwaukee, United States)