BONE n.
-- Bone ash, the residue from calcined bones; -- used for making cupels, and for cleaning jewelry. -- Bone black (Chem.), the black, carbonaceous substance into which bones are converted by calcination in close vessels; -- called also animal charcoal. It is used as a decolorizing material in filtering sirups, extracts…
CELLULOID n.
to imitate coral, tortoise shell, amber, malachite, etc. It is used in the manufacture of jewelry and many small articles, as combs, brushes, collars, and cuffs; -- originaly called xylonite.
CINNAMON n.
stone (Min.), a variety of garnet, of a cinnamon or hyacinth red color, sometimes used in jewelry. -- Oil of cinnamon, a colorless aromatic oil obtained from cinnamon and cassia, and consisting essentially of cinnamic aldehyde, C6H5.C2H2.CHO. -- Wild cinnamon. See Canella.
JET n.
ure and velvet black color, susceptible of a good polish, and often wrought into mourning jewelry, toys, buttons, etc. Formerly called also black amber. Jet ant (Zoöl.), a blackish European ant (Formica fuliginosa), which builds its nest of a paperlike material in the trunks of trees.
SILVER n.
is one of the "noble" metals, so-called, not being easily oxidized, and is used for coin, jewelry, plate, and a great variety of articles. Symbol Ag (Argentum). Atomic weight 107.7. Specific gravity 10.5.