A to Z
Zitan is a tropical hardwood ranging in colour from dark-purplish brown to reddish brown, and considered, together with huanghuali, the most precious and luxurious material used in Chinese furniture.
Element of atomic number 30, symbol Zn, atomic weight 65.37, mp 419.58ºC, specific gravity 7.13. Zinc ores were used for making brass by cementation long before the metal was used in its pure form. The limit of zinc that can enter into solid solution in copper by this process is 28%. The Romans made extensive use of brass and, in India, zinc was being made by distillation in retorts during the 1200's A.D. The metal was not known in Europe until rediscovered in 1746. Zinc is a bluish-white, lustrous metal, brittle at ordinary temperatures but malleable at 100-150ºC.
A sinuous or S shaped upholstery spring used in chair, ottoman and sofa seats and backrests.
Zebrawood is a wood with unusual stripes in the grain.