Opal - Black Pebbles

An excellent grounding stone providing grounding while concurrently stimulating activity. Provides insights into matters of the past, present and future. A catalyst for inner knowing and inner seeing. Offers protection to one's physical body and aura providing one with an etheric shield against negativity

Chakras - Root

Planets - Earth

Zodiacs - Sagittarius and Scorpio

Elements - Earth

Mohs Hardness - 6.5