In China, porcelain was the emperor's language.

The kiln workers of Jingdezhen understood this. They knew which white was the right white — not the white of bone, not the white of lime, but a white with the faintest blue undertone, as if the sky had left its shadow inside the clay. This white required 1,300 degrees, required kaolin from the hills of Jiangxi, required a sensitivity that took thirty years to develop: when to seal the kiln, when to open it, how half an hour's difference in firing could shift the color beyond recovery. Anything that fell short was smashed. Beneath the streets of Jingdezhen lie hundreds of millions of ceramic shards — everything that wasn't good enough.

This white had existed since the Song dynasty, but it was the Mongols who sent it around the world. The Pax Mongolica opened the overland routes, and porcelain traveled with silk and spice — to Persia, to Egypt, into the hands of Venetian merchants. The Venetians called it porcellana, after a shell whose surface had a similar luster. The word became porcelain in every European language that followed.

The Portuguese first encountered this white around 1513, in the markets of Malacca. They had just rounded the Cape of Good Hope, just forced open the sea route to Asia, and were in the process of remeasuring the world by force and trade. They brought the porcelain back to Lisbon and placed it on the king's table. The king looked at it for a long time and said nothing.

The Portuguese wanted to make it themselves.

This was not surprising. Anyone who saw that white would want to make it themselves. The problem was that they did not know about kaolin, did not know about 1,300 degrees, did not know why the kiln workers of Jingdezhen smashed everything that failed. They knew only the white, and the blue pattern on the white — cobalt blue, a pigment that had traveled from Persia into China and been transformed by Chinese kilns into something else entirely.

They used tin-glazed earthenware to approximate it. Tin glaze cannot reach 1,300 degrees; the body is earthenware, not porcelain — tap it and the sound is dull, not the clear ring of true porcelain. But the surface could be made white, and blue patterns could be painted onto it. Portuguese craftsmen painted ships onto this white, and saints, and their imagined China — pavilions, cranes, figures in clothing they had never seen, standing in landscapes they had never visited. The ware eventually acquired its own name: faience. It was not porcelain, but it was Portuguese. Lisbon covered itself in it — churches, railway stations, the walls of the old city — until the blue-and-white pattern became the skin of the place.

Imitation had become something else. This is what imitation sometimes does.

Meanwhile, the kiln workers of Jingdezhen began receiving new orders.

The orders came from very far away, passing through Portuguese merchants, Dutch merchants, the layers of the East India Company, before arriving in Jiangxi. They asked for ships, for coats of arms, for the heraldic devices of European noble families, for the Virgin Mary, for an imagined China — but this time it was Chinese kiln workers painting the China that Portuguese and Dutch and English buyers imagined. The workers had never been to Europe. They copied the sketches that merchants brought, accurately rendering the lines without understanding what they meant. They did not know which family the coat of arms belonged to, which voyage the ship had made, or what kind of room would eventually hold the finished piece.

They painted. They fired. They sent it away.

Two porcelains existed simultaneously on opposite sides of the world: one made by Chinese hands depicting a Europe they had never seen, one made by European hands depicting a China they had never seen. Neither was accurate. Both were real. Both left marks that outlasted the misunderstanding that produced them.

This mutual gaze, this mutual misreading, continued for nearly three hundred years — until Europeans finally found their own kaolin, in Meissen, in Limoges, and learned at last to make porcelain themselves. By then, faience was already faience. It no longer needed to become anything else.

The porcelain beads on this bracelet were made in Jingdezhen. The glaze is that white with the faint blue undertone. Two kilns, two lines, meeting at a wrist.