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Irtysh river, Kazakhstan, and -ite.
Etymology from Wiktionary, CC BY-SA 4.0.
irtyshite
Today it means: A hexagonal mineral containing sodium, tantalum, niobium, and oxygen. Full definition →
Today it means: A hexagonal mineral containing sodium, tantalum, niobium, and oxygen. Full definition →
Irtysh river, Kazakhstan, and -ite.
Etymology from Wiktionary, CC BY-SA 4.0.