With
the exception of January, where we have the garnet instead of the
jacinth, and of December, which gives us the ruby instead of the
Chrysoprase, the first choices are practically identical with the
foundation stones, bearing in mind that the eleventh stone is that for
January, the twelfth that for February, the first that for March and so
on.
Of
the assignment of the natal stones to the different months of the year
or to the zodiacal signs, Poujet fils, writing in 1762, states that in
his opinion this fashion started in Germany—others say in Poland—some
two centuries before his time, and he adds that, though this
arrangement was purely imaginary, and unknown to ancient writers, it
soon became popular, and many, more especially of the fair sex, seeing
in it an element of mystery, wished to wear rings set with the stone
appropriate