Unionidae sp. – Large Polished Freshwater Mussel Shell Elegant large freshwater mussel shell (Unionidae sp.), carefully polished to reveal the natural iridescence of the inner nacre. The surface displays soft pearlescent tones with subtle reflections ranging from silver-white to delicate hues of pink, green, and gold, changing beautifully with the light. The organic shape and smooth finish enhance the sculptural quality of the piece, making it both a collectible natural specimen and a refined decorative object. Some minor natural marks and inclusions are present, consistent with the species and origin, and do not detract from the overall aesthetic appeal. Dimensions: 19.5 × 14.5 × 4.5 cm A striking example of freshwater bivalve beauty, ideal for collectors, interior design accents, or cabinet of curiosities displays.