1680. It is, in consequence, customary amongst friends, and more particularly between lovers, to make, on birthdays, reciprocal presents, consisting of some jewel ornamented with the tutelar stone. It is generally believed that this prediction of happiness, or rather of the future destiny, will be realized according to the wishes expressed on the occasion.
1681. January.—The stone of January is the Jacinth, or Garnet, which denotes constancy and fidelity in any sort of engagement.
1682. February.—The Amethyst, a preservative against violent passions, and an assurance of peace of mind and sincerity.
1683. March.—The Bloodstone is the stone of courage and wisdom in perilous undertakings, and firmness in affection.
1684. April.—The Sapphire, or Diamond, is the stone of repentance, innocence, and kindliness of disposition.