Judging quality
Real nacre shows fine growth banding and slight surface unevenness; printed resin imitations repeat a pattern. Paua is a protected fishery and legitimate material is farmed or licensed.
Organic
The nacreous inner shell of the abalone sea snail, layered aragonite platelets that scatter light into peacock blues and greens. New Zealand paua is the most saturated; California red abalone runs pink and silver.

Real nacre shows fine growth banding and slight surface unevenness; printed resin imitations repeat a pattern. Paua is a protected fishery and legitimate material is farmed or licensed.
Soft and organic. Keep out of salt, heat and direct sun, which dulls the nacre.
Abalone shells are used across the Pacific as vessels and inlay, and appear in Māori carving as the eyes of ancestral figures.
Cultural history, recorded as tradition rather than as medical or scientific claim.
See it in person
Both rooms are open six days a week, and there is always someone happy to pull pieces out of the case so you can compare them under the light.