Chambered Nautilus — Original Acrylic Shell Painting (Framed 13x13)

A single chambered nautilus shell, painted in cream, ivory, and deep burgundy on a soft sea-glass ground — the natural world’s perfect spiral.

A close-up portrait of a chambered nautilus shell — the legendary deep-water spiral celebrated for its near-perfect logarithmic curve. Painted in acrylic on stretched cotton canvas in soft cream and ivory, with bold ribbons of deep burgundy and plum radiating from a quiet pearly umbilicus at the center. Tiny ribbons of pale peach, blush, and lavender warm the creamy chambers, and the whole shell floats against a clean, soft sea-glass blue-green ground.

Painted with a loose, painterly hand — the stripes laid in confident, flowing brush strokes that move with the spiral; the central button built up in soft, pearly whites and lavender shadow. A modern, painterly take on a timeless natural-history subject — equal parts Audubon shell study, Fibonacci spiral, and breezy coastal still life.

Finished in a clean white floater frame and protected with archival varnish so the surface stays clean and the colors stay true. The whole piece arrives ready to hang straight from the box — no additional framing or matting needed.

A natural companion to “Amoria Zebra,” the matching striped-shell original at the same size, frame, and palette — hung as a pair, the two make a beautiful coastal diptych. A natural fit for a coastal home, beach house, sunroom, primary bath, powder room, breakfast nook, study, or any room that wants a piece of soft, modern coastal color. A meaningful housewarming, retirement, anniversary, or wedding gift for a beach-house family, shell collector, mathematician, biologist, or anyone who finds the spiral as quietly hypnotic as we do.

Details

• One-of-a-kind original painting by Sheri Hartnett — not a print
• Acrylic on stretched cotton canvas
• Canvas: 12 x 12 inches (square)
• Framed dimensions: 13 x 13 inches (square)
• Frame: White floater frame
• Surface protected with archival varnish for lasting color
• Hand-signed by the artist on the front
• Arrives ready to hang — no additional framing needed
• Carefully packaged for safe shipping