This Natural Black Spinel Crystal Rough Gemstone 8.3g Collectible is about 7/8 x 3/4 x 5/16 inches and weighs about 8.3 grams, 0.292 ounces, or 41 carats.

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Black Spinel is a protective stone that repels negativity and grounds the user while evoking inspiration and empowerment, without overwhelming others. It is also thought to help one find calmness and let go of resentments to re-establish relationships and dispel sadness.