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出典:Wiktionary
出典:『Wiktionary』 (2026/04/28 21:58 UTC 版)
This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term.
? + -ite
tantite
出典:Wikipedia
出典:『Wikipedia』 (2009/05/01 02:04 UTC 版)
Tantite is a rare tantalum oxide mineral with formula: Ta2O5. Tantite forms transparent microscopic colorless triclinic - pedial crystals with an adamantine luster. It has a Mohs hardness of 7 and a high specific gravity of 8.45. Chemical analyses show minor inclusion (1.3%) of niobium oxide.