tin

tin

(Ben Jing)

[synonyms] Bai Xi (Shanhaijing), Lu (Erya), Feng (Zheng Xuan's annotation of Zhouli), Bai Feng (Guo Pu's annotation of Erya).

[source] it is a silver white metal, which is mainly refined from cassiterite. For mineral morphology, please refer to "tin ore".

[medicinal materials] are mostly massive. Silver white, metallic luster. The streaks are silvery white. Opaque. He was suddenly twists and turns, and made a micro explosive sound. Soft, easy to cut off, but slightly harder than lead, rich development. The fracture is serrated. 2. The melting point is 231.9 ℃. There is no change in air and water. If it is incandescent, it can produce strong light and burn into tin dioxide.

Produced in Yunnan, Hunan, Guangdong, Guangxi and other places.

Sweet, cold and poisonous.

① "Gangmu": "sweet, cold, slightly toxic. "

② "Ben Jing Feng Yuan": "Xin, Han, Wei Du. "

[function and indications] rihuazi materia medica: "it can cure evil wind sores. "

[formula selection] detoxification of arsenic: the tinware is grinded on the rough stone and taken with water. (Ji Ji Xian Fang)