zi ran tong﹐pyritum 自然銅 (in English and Chinese 中英文)
by: Joe Hing Kwok Chu
zi ran tong literally means natural copper; but it has nothing to do with copper. It is iron pyrites. Its chemical formula is FeS2. It also contains some trace mineral like nickle, arsenic and antimony.
In prescription, zi ran tong refers to unprocessed iron pyrites which has been cleaned of sand, rocks and impurities. Duan zi ran tong, also called duan ran tong, are those pieces of zi ran tong that have been heated till bright red and dipped into rice vinegar and smashed.
自然銅跟銅沒關係。它是二硫化鐵 。 分子式為 FeS2。 學名叫做「黃鐵礦」。並含有鎳﹐砷﹐銻等少量元素。
|Pron. in Japanese:|
|Pron. in Korean:|
|Pron. in Cantonese:|
ji jin tong
pyrite﹐ fool's gold
Sichuan, Guangdong, Jiangsu, Yunnan
and all over the world
|Channels (meridians) entered﹕|
kidney and liver
|Actions & Indications:|
for dispersing heat and controlling pain, breaking blood clots, promoting the healing of broken bones and sinews, fractures of bones, wounds caused by sharp objects.
Ferrous bisulfide (FeS2) and some trace amount of cooper, nickle, arsenic and antimony.
二硫化鐵 ( FeS2) 並含有鎳﹐砷﹐銻﹐銅等少量元素。
3 to 9 g. Boil this item first when use in decoction or can be made into pills or powder form.
|Samples of formulae:|
to be loaded
to be loaded
not to use on those who are yin deficient with heat or on those who are blood deficient and those without blood stasis symptoms.
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