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出典:Wiktionary
出典:『Wiktionary』 (2026/06/12 03:56 UTC 版)
tapiolite (countable and uncountable, plural tapiolites)
出典:Wikipedia
出典:『Wikipedia』 (2011/02/08 07:57 UTC 版)
Tapiolite [(Fe, Mn)(Nb, Ta)2O6] is a black mineral that is an ore of niobium and tantalum. It has a submetallic luster and a high specific gravity and is a niobate of iron and manganese, containing tantalate of iron.
tapiolite