big pan

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བིག་པན
a kind of med. salt, potash, sulphuric acid [IW]

a kind of med. salt, [sour and salty, heating, overcoming 'bras dang skran bshig, mig gi ling thog] [IW]

(med) Chalcanthite, Copper rust, Verdigris (Yeshi 2018)
Synonyms : ni' la tho tha, sag rtsi, sag ram rtsi, tshur sngon (Shel gong) mtshur sngon (Yeshi 2018).
Skt.: tuttha, nīlatutte, amṛtāsaṃjña (wisdomlib.org)

big pan 'bras gcod skran bshig ling thog len / zhes pa 'di tshur sngon yin te / rang byung pas / tshur nag rigs gsum gang gis kyang / dbyig dug sel zhing kha nad 'joms / gsungs pa ni / tshur phyi ma 'di gsum yin / dbyig dug sogs ser nag gnyis khong gtong dang sngon po byugs pa yin / kha nad la gsum / khas mkhur bkang byed pa'o / ming ni / ni' la tho tha / sag rtsi / sag ram rtsi / big pan / tshur sngon rnams so / 'di rang byung brag las chags pa rgya gar nas yong / kha dog mthing ga dang g.yu kha gnyis dbyibs [385] dang / dangs cha tshur dkar 'dra / ro tshur spyi dang 'dra la zangs g.ya' cung [bro ?] ba yod / bzos pa rgya bod gang nas kyang 'byung / rang byung bzang / bzos pa dman / rang byung rtags su phyi la rdo rtsi cung zad yod / bzos pa g.yu kha shas che phye ma dang rdar byas pa sogs yong yang shel ltar dangs pa mi yong / bzos pa yang rgya tshas bzos ba rtsub / zho zangs gnyis dang tshur dkar gyis bzos pa 'jam mo / big pan zhes pa la 'ang / kha nad shu thor mig sogs la tshur sngon 'di yin / gang yang rlan phab nas lcags la drud na zangs dog 'byin / tshad rlung skabs sogs ni sgog thal yin / big pan zhes par byang pa sogs stong sman 'ga' res tsha la bsregs pa la byed / gser bre dngul bre sogs la bul tog la byed pa rnams ma dag nor ba yin gsungs / rlung gi skabs sgog bsregs thal bar big pan zer // (Shel gong shel phreng, pdf p 384.5)

Illustrations ; 'Phrin Las (26_012) big pan (31_015) sag rtsi

Natural salt medicine. In the Shel gong, big pan is said to be tshur sngon, blue vitriol (copper sulphate). Das (1902) gives for sag ram rtsi, one of the synonyms, sulfuric acid. Chalcanthite is natural, watersoluble copper sulphate (Copper(II) sulfate pentahydrate, CuSO₄·5H₂O). A secondary mineral that is formed in arid climates or in rapidly oxidizing copper deposits. It is usually of post-mining formation, forming on mine walls and by the action of acidic surface waters on copper veins. Also called blue vitriol or copper vitriol (mindat.org).
The indian names tuttha, nīlatutte refers to a blue, crystalline substance, that effloresces and turns white when heated, copper sulphate, blue vitriol (wisdomlib.org).
Johannes Schmidt (talk) 04:59, 26 February 2024 (EST)