RUBY - one of the most valuable of all
gemstones is the birthstone for the month of
The name comes from the Latin word meaning
red. Unlike the enormous gems seen in
museums and Royal collections, rubies
available on the market today are of a more
modest size. A 3-4 carat ruby, if of fine
quality, is a rare and very expensive gem.
Next to diamond, ruby and sapphire (both
corundum) is the hardest mineral known and
is very compact and dense, with no cleavage.
As a result, rubies and sapphires are tough
and relatively scratch-resistant. That's
why, in addition to their beauty, ruby or
sapphire is one of the best of all jewelry