gangs thigs

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གངས་ཐིགས

(med) Smithsonite, Calamine (Yeshi 2018) Gypsum (dGa' ba'i rDo rje 2018)
Synonyms : lha zhi, gangs dkar chad pa'i dum bu (Yeshi 2018) lha zho, shel dkar thig pa (dharma dictionary).
Sanskrit : kharpara (wisdomlib.org)

gangs thigs de bzhin mchin pa'i tsha ba sel / zhes par / rang byung pas / gangs thigs 'brum ba'i chu ser skem / zhes pa la / rab dngos gzhi dang / dman pa tshab [ 120] gnyis las / rab ni bskal pa'i gangs chags ti se sogs pa rnams las 'byung la / ngo bo ni / gangs de rnying nas yun lon pa rdor gyur pa dang / zhu ba'i thigs pa 'og gi sa rdo la dreg pa 'khar ba ltar gong bur 'dril ba / dbyibs cong zhi 'dam btags 'dra la dkar ba zos na ro cung zad mngar zhing so mi seg pa de yin / ma rnyed na tshab la'ang gnyis te / srib mthon kha byang du blta ba'i brag phug [mtho la ?] bsil ba / dbyar gzhung bar kha ba mi 'ju ba'i phug pa sar dbyar nyi ma mi phog par brag gi thigs chu gong bur chags pas rdo gzhan dang gzhan dag 'byur bar snga ma ltar chags pa de nus mtshungs gsungs pa dang / de yang ma rnyed na / sa'i gting nas dam dum 'byung ba'i rdo dkar po mo cing lta bu zos na so mi seg pa chur 'dul na chu dang mi 'dres pa / bsregs nas chur sbyangs na zho ltar 'gro bas mid lha zho dang / dkar po rdo mchog zer ba des tshab byed par 'dug go // (Shel gong shel phreng, pdf p 119.6)

Illustrations : 'Phrin Las (25_077) gangs thigs dkar sob (078) gangs thigs dkar sob ril mo. dGa' ba'i rDo rje 2018 (n°100) gangs thig, Gypsolith anhydrock (sic!) (n°101) gangs thig ‘bring, Gypsym anhydrite rock (n°102) gangs thig dman pa, Gypsum

Smithsonite (Zinc carbonate ZnCO₃) occurs as a colourless, white, green, pink, blue to brown secondary mineral in the oxidation zone of zinc ore deposits, and as a direct oxidation product of Sphalerite. Calamine is an early name for some secondary zinc minerals which often occur in intimate mixtures with each other (mindat.org). Smithsonite is prescribed in the Chinese Pharmacopoeia for the drug Calamina.
The indian name kharpara stands for zinc ore, calamine, and more specifically, zinc carbonate (wisdomlib.org). See also ti tsha ser po (Sphalerite).
There is an intriguing difference in the identification for gangs thig (and already for the preceeding notice of dkar po chig thub) between Yeshi (2018) and dGa' ba'i rDo rje (2018). Yeshi has the Zinc ore Smithsonite for the first, and Gypsum/Anhydride for the second. dGa' ba'i rDo rje indicates Wollastonite for dkar po chig thub (as already for dkar po sbal rgyab right before) and gives Gypsum/Anhydride for gangs thig.
Johannes Schmidt (talk) 15:50, 26 February 2024 (EST)