yugs rdo
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ཡུགས་རྡོ
yugs rdo med. mineral [R] [IW]
(med) Kaolinite (Yeshi 2018) Halloysite (Drungtso 1999). Synonyms : yugs rdo, smug rdo, rde'u khrag ldag (Shel gong).
(med) Halloysite, which resembles ochre (Drungtso 1999) Typically found as earthy to somewhat waxy looking extremely fine-grained clayey masses, white to tan and also occasionally bluish or greenish. Kaolinite group (mindat.org)
lig bu mig dang de bzhin btsag yugs rnams / mig nad rus tshad sel zhing chu ser skem /... / yugs ni / rang byung pas / smug gis rma yi chu ser skem / gsungs par ming / yugs rdo / smug rdo / rde'u khrag ldag zer / rdo smug po lci la 'jam pas shog bu ur byed rung ba / 'od can dbyibs zlum pa la leb 'jong sogs cung ma nges pa / ri mo dmar smug dod pa / rgyu mtshan gser sa 'og nas 'bud pa'i mu la yugs bas / rde'u 'di gar yod du gser yod par ngos 'dzin nas gser rkos pa rnams sa 'dir brkos na gser yod par khyab / 'dir yugs rdo 'bud cing 'dug ces gleng bas gsal / kha cig tu btsag yugs gcig par mdzad nas / ngos sa sngon la bzung ba nor // (Shel gong shel phreng, pdf p 132.1)
Illustrations : 'Phrin Las (25_123) yug
A type of halloysite, resembling ochre (Drungtso 1999). A mineral of the Kaolinite groupe of earthy fine-grained clayey masses, white or tan to brown or reddish. Also reported as a biomineral formed by the action of lichen (e.g., Lasallia spp., Mucor spp., etc.) on cave deposits and waters. Kaolinite (Aluminium silicate hydrate) is a mineral used in pre-historic times. Found in large masses - clay beds – of white to cream, tans and browns (mindat.org).
Johannes Schmidt (talk) 08:40, 27 February 2024 (EST)