smug po chig thub
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སྨུག་པོ་ཆིག་ཐུབ
rock med mdung rtse smug po [IW]
(med) Goethite. Haematite (Yeshi 2018). Synonyms : smug po mdung rtse (Shel gong)
smug po sbal rgyab pho sbal mo sbal gnyis / ... // dkar po sbal rgyab dkar po chig thub dang / smug po chig thub la sogs de dang 'dra / zhes pa'i dkar po sbal rgyab ni / rdo dkar po ngam 'thug pa tsam las dbyibs snga ma ji lta ba'o / 'di la mo sbal yod skad tsam las 'di 'dra zhes ngo sprod med pa zhig ba'i sngon du bshad kyang / rgyud rtsa 'grel du ma bshad pas sus kyang glengs pa ma thos so / dkar po chig thub ni / dkar po mdung rtse ste / sra mkhregs rtsa sbo ma rtse phra bcag na rgya khab gshibs pa ltar zhig cing rno ngar dang ldan pa / che la sna ring ba / kha dog dkar la mgul ris yod pa'o // smug po chig thub ni / smug po mdung rtse ste / rdo dmar smug ri mo bris na smug po 'dod pa rdog snga ma las chung ba ma gtogs dbyibs snga ma 'dra la brdung tshe rta spu ltar zhig pa'o // (Shel gong shel phreng, pdf p 118.6)
Illustrations : 'Phrin Las (25_072) smug po (25_074) smug po chig thub (25_075) mdung rtse smug po
Goethite (Fe3+O(OH)), of yellow-brown or reddish-brown to blackish colour, is the most common simple iron oxide mineral. A weathering product of numerous iron-bearing minerals. May also form due to mineralization of lichen (Parmelia conspersa) thalli on metamorphics (e.g., gneisses), granites, feldspars. Hematite (Fe2O3), "bloodlike", in allusion to the vivid red colour of the powder, is another iron oxide mineral, and variable in its appearance - it can be in reddish brown, ocherous masses, dark silvery-grey scaled masses, silvery-grey to black crystals, and dark-grey masses. Large ore bodies of hematite are usually of sedimentary origin, it is also the cause of red soils all over the planet (mindat.org).
Johannes Schmidt (talk) 04:15, 28 February 2024 (EST)