Ruby takes its name from the deep red gemstone, historically prized and often linked with passion and vitality rather than cool detachment. The name is commonly read as carrying warmth and intensity -- a presence that's felt rather than merely observed, valued for its depth of color as much as its rarity.
Refuse the Moon in Cancer or Scorpio for marriages, unless it be in marrying of widows. - William Lilly (1602.-1681.)