This specimen is a light purple fluorite crystal cluster with baryte (white mineral). This cluster of crystals weighs 12.3 ounces (350 grams) and is approximately 3.5 inches long, 3.0 inches wide, and 2.0 inches tall (see picture with ruler). Fluorite can naturally be colorless, purple, lilac, golden-yellow, green, blue, pink, champagne, and brown. #2