spang ma
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སྤང་མ
malachite, malachite green pigment [IW]
malachite [RY]
blue vitriol, verdure, green color, pot-herb, bluish mineral [JV]
(med) Malachite, Verdure of copper (Yeshi 2018). Synonyms : spang ma brtul ma, spang snyon po, nag po si sa mdung rtse (Yeshi 2018)
spang mas chu ser skem zhing ling tog gcod / skra skye pho mtshan nad sel nang kun skyugs / zhes yang grags spang tshon ljang gu ste / spang mthing gnyis ka zangs rdo'i g.ya' las chags pa'o // (Shel gong shel phreng, pdf p 136.3)
Illustrations : 'Phrin Las (31_017) spang ma
Malachite (Copper carbonate hydroxide [Cu2(CO3) (OH)2]) is a green, very common secondary copper mineral with a widely variable habit. Typically it is found as crystalline aggregates or crusts, often banded in appearance, like agates. Bright green, with deeper shades of green, even very dark to nearly black (mindat.org). spang mthing is used for green malachite and blue azurite, 2 copper minerals frequently found together.
Johannes Schmidt (talk) 03:01, 27 February 2024 (EST)