gser zil
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གསེར་ཟིལ
1) gold color, gleam; 2) med. minerals gser mdog zil 'od 'phro and shape like rgya khab gshib pa [IW]
(med) Litharge, PbO (Phrin Las 1987). Litharge is a read lead oxide. The name might better fit with Massicot, PbO, a yellow dimorph of litharge. A natural lead oxide, it appears as an alteration product of lead minerals (mindat.org).
(med) Pyrite, Iron sulphide FeS2 (Yeshi 2018). Pyrite is a very common mineral (also one of the most common natural sulfides, and the most common disulfide), found in a wide variety of geological formations from sedimentary deposits to hydrothermal veins and as a constituent of metamorphic rocks. The brassy-yellow metallic colour of pyrite has in many cases lead to people mistaking it for Gold, hence the common nickname 'Fool's gold'. Pyrite is quite easy to distinguish from gold: pyrite is much lighter, but harder than gold and cannot be scratched with a fingernail or pocket knife (mindat.org). Johannes Schmidt (talk) 20:43, 20 November 2021 (UTC)