zangs rdo

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ཟངས་རྡོ
copper ore [JV]

(med) Copper ore, Chalcopyrite (Drungtso 1999, Yeshi 2018), Covellite (dGa' ba'i rDo rje 2018)

zangs rdo zangs mtshungs khyad par glo rnag 'dren / zhes dang / rang byung pas / zangs rdo mthing spang nad rnams skyugs / zhes pa lci la zangs tshags yod pa dang / yang na rdo gzhan la brdar shul zangs 'dra ba dang / shas che spang mthing yod sar 'byung / rdo rang la yang spang mthing 'gos pa 'byung / kha dog ma nges so / phye ma rgya tsha'i chu dang sbyar nas zhag gcig lon nas bsil skam byas pas sngon po g.yu mdog 'byin pa de'o / mdor na bzhus pas zangs 'byung ba yin no // (Shel gong shel phreng, pdf p 115.2)

Illustrations : dGa' ba'i rDo rje 2018 (n°084) zangs rdo, Covelline

Covellite (CuS) is usually an indigo-blue massive material with sub-metallic lustre (mindat.org)
Chalcopyrite (Copper iron sulphide CuFeS₂) is the most abundant copper ore with a brass yellow color ('catgold' in german), weathering may lead to the formation of malachite (spang ma), azurite (mthing sngon) and numerous other secondary copper minerals (mindat.org). Also identified with gser rdo.
Johannes Schmidt (talk) 14:37, 28 February 2024 (EST)