Waring States Crystal Cup – Ancient High‑Purity Quartz Vessel. Carved from a single block of high‑purity quartz, 15.4 cm tall. Dated to the 4th–3rd centuries BC (Warring States period, China). Found in a tomb near Hanghu, China, alongside jade, agate, and bronze items.

A 15.4 cm tall crystal cup from a 4th‑3rd century BC Chinese tomb near Hangzhou shows manufacturing techniques that modern replicas still can't replicate.

Key facts claimed:

- Carved from a single block of high‑purity crystal (natural quartz), 15.4 cm tall.

- Dated to the 4th–3rd centuries BC (Warring States period, China).

- Found in a tomb near Hangzhou, China, in 1990; a Grade One national cultural relic.

- Manufacturing technique remains puzzling; modern replicas fail to match.

Key Facts

  • Carved from a single block of high‑purity quartz, 15.4 cm tall.
  • Dated to the 4th–3rd centuries BC (Warring States period, China).
  • Found in a tomb near Hanghu, China, alongside jade, agate, and bronze items.
  • Manufacturing technique remains puzzling; modern replicas fail to match.