Tortoiseshell
Tortoiseshell or tortoise shell is a material produced mainly from the shell of the hawksbill turtle, an endangered species. It was widely used in the 1960s and 1970s in the manufacture of items such as combs, sunglasses, guitar picks and knitting needles. In 1973, the trade of tortoiseshell worldwide was banned under CITES (the Convention on International Trade in Endangered Species).[1]
Tortoiseshell was attractive to manufacturers and consumers because of its beautiful appearance and its durability, and its organic warmth against the skin.[2] It was used in guitar picks because it can be easily shaped, has excellent bending properties, and is very durable – tortoiseshell picks could sometimes be used for years. Piqué-work, jewelry made from tortoiseshell inlaid with precious metals in patterns or pictures, was made during the Victorian Era and was highly prized.[3]
Since the 1973 ban on tortoiseshell commerce, replacements have been developed. The synthetic Delrin has been used especially for guitar picks.[4]
References
- ^ Multi-lateral agreements for conservation of hawksbill turtles, CITES website
- ^ Tortoiseshell ban threatens Japanese tradition, CNN website
- ^ [1]
- ^ [2]
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