Thulium, mea 69 o ka papakau kau.ʻO Thulium, ka mea me ka liʻiliʻi loa o nā mea o ka honua laha ʻole, e noho pū me nā mea ʻē aʻe ma Gadolinite, Xenotime, ʻeleʻele ʻeleʻele ʻeleʻele gula a me ka monazite.ʻO ka thulium a me nā mea metala lanthanide e noho pū ana i nā ores paʻakikī loa i ka nat...
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