Agate, a member of the quartz group, is a type of banded chalcedony with a mohs hardness of 7.
Metaphysically, agates are a lower vibration stone used for stabilizing and strengthening.
Jasper, also a variety of quartz, has a hardness of 6.5 to 7 on the mohs scale.
Metaphysically, Jasper is able to stabilize one's energy and aid in enhancing endurance and stamina.
All information provided regarding the physical and metaphysical properties of this stone is from "The Book of Stones" by Robert Simmons and Naisha Ahsian.
