Usually black or brown with white bands. A type of Chalcedony Quartz.

• Valuable in difficult or confusing times of our lives.

• Absorbs and flattens emotional intensity.

• Visions, and guidance through meditation and dreams.

This stone promotes increased vigor, strength, stamina, constancy, steadfastness, permanence, tenacity, firmness, durability and self-control. Balances and grounds. Androgynous. Can't conduct or retain healing energy or programming very well. The more translucent or clearer ones are more effective. Self mastery. Balances Yin and Yang. Reveals one's own duality. Helpful in treating glaucoma, epilepsy, and cell damage.

BLACK ONYX - Grounding.

Chakra - Root/Base

GREEN ONYX - Heart

Chakra - Heart

YELLOW ONYX - Seriousness, logic.

Chakra - Stomach/Solar Plexus

BLUE ONYX

Chakra - Throat

Stone of Leo.

Specific Gravity - 2.65

Refractive Indice - 1.55 - 1.54

Hardness - 7.0