Pearl
- 10. Cruelty for beauty
• cultivated pearls
• many oysters do not survive implanting
• most die during harvesting
• survivors are implanted again
- 11. Cruelty for beauty
• natural pearls
• several tons of oysters are needed for a
few perfect pearls
- 17. A solution
• High tensile strength mesh containers ...
• full of rocks ...
• full of waste glass ...
+ +
- 26. It's only glass
• Pearls are only calcium carbonate and
protein
• Diamonds are only carbon
- 28. There's no skill involved
• Determinants of form
• initial glass size
• rock size
• wave/current type and intensity
• process time