This specimen is aragonite (white mineral) combined with fluorite (green mineral) and pyrite (gold-colored mineral) on the same crystal cluster. This cluster of crystals weighs 3.1 ounces (92 grams) and is approximately 3.0 inches long, 1.85 inches wide, and 0.9 inches tall (see picture with ruler). This crystal is extremely unique in that all three minerals: fluorite, aragonite, and pyrite are combined on the same stone. #8