It
might be mentioned, in passing, that the precious and semi-precious
stones which the Egyptians employed were, in alphabetical order:
agate, amethyst, beryl, calcite, cornelian, chalcedony, coral,
felspar, garnet, haematite, jade, jadeite, jasper, lapis lazuli,
malachite, olivine, onyx, pearl, peridot, rock-crystal, sard,
sardonyx and turquoise. Diamonds, opals, rubies and sapphires
were unknown.
From
Everyday Life in Ancient Egypt by Jon Manchip White