Sea of Cortez pearl
|Chemical composition||Calcium carbonate, conchiolin and water|
The pternia sterna mollusk is also known as the "rainbow lipped pearl oyster" and produces pearls in many colors, ranging from white to black with any overtone (such as: blue, green, violet, purple, golden, bronze and brown).
The average size of the Sea of Cortez pearls is 8.2 to 9.8 mm, but they can get as large as 14.3 mm.
- 2004: 2.8 kilograms
- 2005: 2.5 kilograms
- 2006: 2.8 kilograms
With an average weight of 1 gram, the yearly production is about 2,800 pearls.