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- Tortoiseshell abstract "Tortoiseshell or tortoise shell is a material produced from the shells of the larger species of tortoise and turtle, mainly the hawksbill turtle, which is an endangered species largely because of its exploitation for the material. The large size, fine colour and unusual form of the hawksbill's scutes make it especially suitable. Tortoiseshell was widely used from ancient times in the West and in Asia, until the trade was finally banned in the 1970s. It was used, normally in thin slices or pieces, in the manufacture of a wide variety of items such as combs, small boxes and frames and inlays in furniture and other items, frames for spectacles, guitar picks and knitting needles. Despite being expensive, tortoiseshell was attractive to manufacturers and consumers because of its beautiful mottled appearance, its durability, and its organic warmth against the skin.In 1973, the trade of tortoiseshell worldwide was banned under CITES (the Convention on International Trade in Endangered Species). The material was already often imitated in stained horn, plastic and other materials, and this continues. The synthetic Delrin has been used especially for guitar picks. The distinctive patterning is referred to in names such as the tortoiseshell cat, several breeds of guinea pig, and the common names of several species of the butterfly geni Nymphalis and Aglais, and some other uses.Hopes of capturing a large store of tortoisehell led to the Ngatik massacre by Australian "beachcombers" of up to 50 men of Sapwuahfik in Micronesia in July 1837.Tortoiseshell has been used since ancient times, and the ancient Greek chelys or lyre often used a whole shell to form its body. Inlaid veneers of tortoisehell were popular with wealthy ancient Romans for furniture, especially couches for dining, and for small items. The Periplus of the Erythraean Sea, probably a work of the 1st century AD, distinguishes between shell from different species, with that regarded as the best probably the hawksbill. André Charles Boulle (1642-1732), cabinetmaker to Louis XIV of France introduced or perfected marquetry combining thin inlays of tortoiseshell backed with metal, with woods and metal, a style still called after him. Small luxury objects such as snuff-boxes were decorated in piqué work, inlays of precious metals and jewels into tortoiseshell (or other materials).The initial processing involved separating the layers of the scutes by heating, then softening the plates by boiling them in salt water. Two pieces could be fused by use of a hot iron, but like the earlier stages, great care had to be taken not to lose the colour. Finishing was done by various techniques including sawing.".
- Tortoiseshell thumbnail 鼈甲祭器.JPG?width=300.
- Tortoiseshell wikiPageExternalLink 41326836.
- Tortoiseshell wikiPageExternalLink 631139.
- Tortoiseshell wikiPageID "5747674".
- Tortoiseshell wikiPageRevisionID "586001127".
- Tortoiseshell subject Category:Decorative_arts.
- Tortoiseshell subject Category:Materials.
- Tortoiseshell subject Category:Turtles.
- Tortoiseshell comment "Tortoiseshell or tortoise shell is a material produced from the shells of the larger species of tortoise and turtle, mainly the hawksbill turtle, which is an endangered species largely because of its exploitation for the material. The large size, fine colour and unusual form of the hawksbill's scutes make it especially suitable. Tortoiseshell was widely used from ancient times in the West and in Asia, until the trade was finally banned in the 1970s.".
- Tortoiseshell label "Schildpatt (Material)".
- Tortoiseshell label "Szylkret".
- Tortoiseshell label "Tortoiseshell".
- Tortoiseshell label "Черепаховая кость".
- Tortoiseshell label "玳瑁 (宝石)".
- Tortoiseshell label "鼈甲".
- Tortoiseshell sameAs Želvovina.
- Tortoiseshell sameAs Schildpatt_(Material).
- Tortoiseshell sameAs Cangkang_kura-kura.
- Tortoiseshell sameAs 鼈甲.
- Tortoiseshell sameAs Szylkret.
- Tortoiseshell sameAs m.0f2jw5.
- Tortoiseshell sameAs Q2141546.
- Tortoiseshell sameAs Q2141546.
- Tortoiseshell wasDerivedFrom Tortoiseshell?oldid=586001127.
- Tortoiseshell depiction 鼈甲祭器.JPG.
- Tortoiseshell isPrimaryTopicOf Tortoiseshell.
