Agate is an affordable yet highly effective gemstone. It is available in almost every color. It is a natural stone that functions to enhance the planetary energies associated with its specific color. Golden-colored Agate is worn to harness the energy of the Sun. Similarly, the table below outlines the various planets and their corresponding Agate varieties:

Golden Agate – For the Sun (to be worn on the Ring Finger)
White Agate – For the Moon (to be worn on the Little Finger)
Red Agate – For Mars (to be worn on the Ring Finger)
Green Agate – For Mercury (to be worn on the Little Finger)
Yellow Agate – For Jupiter (to be worn on the Index Finger)
Milky Agate – For Venus (to be worn on the Middle Finger)
Black Agate – For Saturn (to be worn on the Middle Finger)
Brown Agate – For Rahu (to be worn on the Little Finger)
Blue Agate – For Ketu (to be worn on the Middle Finger) 

Agate is typically set in silver, copper or Panchdhatu (an alloy of five metals).