出典:Wiktionary
出典:『Wiktionary』 (2026/05/13 21:01 UTC 版)
titanite (countable and uncountable, plural titanites)
出典:Wikipedia
出典:『Wikipedia』 (2011/07/06 19:24 UTC 版)
Titanite, or sphene (from the Greek sphenos (σφηνώ), meaning wedge), is a calcium titanium nesosilicate mineral, CaTiSiO5. Trace impurities of iron and aluminium are typically present. Also commonly present are rare earth metals including cerium and yttrium ; calcium may be partly replaced by thorium.
![]()
zinced
the Latin Quarter
鉄鉱石.
アイオネイトチロキシン