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.
A Planet in an Angle doth more effectually produce his effects, but remiss in Cadent Houses. - William Lilly (1602.-1681.)