About the stone: Black agate is dyed silicon dioxide forming microcrystalline quartz.
Astrological sign(s): Capricorn
Mohs scale: 4
Spiritual uses: Black agate is beneficial to establish a protective shield when offering spiritual counseling, tarot card readings, channeling, automatic writing and any other modality that opens you up to psychic influences.
Mental uses: This stone helps provide mental focus, grounding, and the ability to stay on task.
Emotional uses: Black agate is specifically, is beneficial for releasing any type of fear.
Physical uses: This is a perfect stone for an entrepreneur and helps the self-employed gain confidence and endurance to stay in business.