Figure 6
From: Transformation of ACC into aragonite and the origin of the nanogranular structure of nacre

Fused and aligned nanoglobules in nacre. (A) Gastropod Gibbula cineraria nacre tablets, etched with Mutvei’s solution, SEM view. (B) Cephalopod Nautilus pompilius septal nacre, bleached for 3 min, SEM view. (C) Pteria hirundo, treated with protease (0.2 g/ml, 1 h), AFM amplitude image.