What is the basic chemical compound that natural pearls consist of?
- Aluminum carbonate
- Sodium sulphate
- Calcium fluoride
- Calcium carbonate
Answer
The correct answer is D) Calcium carbonate.
More Science & Technology questions
- Pearls come in many shapes and sizes. What term refers to pearls with irregular shapes?
- A pearl can be produced naturally by almost any shelled mollusk. What triggers the process of pearl formation?
- The iridescence of pearls depends on the number and thickness of the nacre layers. Which of these combinations provides the most iridescent pearl?
- Which of these pearls are the most valuable in the world?
- Which of these methods is a reliable way to distinguish a natural pearl from a cultured one and a fake one?
- What is the name of the largest known pearl on the planet?