What is this close-up picture? (WotsThat: Pottery glaze crazing)

Question

What object is shown in this zoomed-in close-up photo?

GalenaWatcher · Accepted Answer

Pottery glaze crazing. Pottery Glaze Crazing Crazing—those fine cracks you see on some pottery—actually happens because the glaze and clay cool at different rates, creating stress like a frozen lake in winter. The wild part? Potters once considered this a flaw, but ancient Chinese ceramicists deliberately created crazing patterns (called "crackle") as a luxury feature, eventually making it worth more than smooth glazes.

Answer: Pottery glaze crazing

More craft close-ups