hematite / ˈhi məˌtaɪt, ˈhɛm ə- /
⚽高中词汇赤铁矿赤铜矿赤土赤玉
hematite 的定义
n. 名词 noun- a very common mineral, iron oxide, Fe2O3, occurring in steel-gray to black crystals and in red earthy masses: the principal ore of iron.
更多hematite例句
- An iron oxide called hematite improves tone, and acetylglucosamine, an enzyme derived from sugar, exfoliates for extra glow.
- Ferruginous masses, probably consisting of brown hematite, come also from this island.
- The ore used was from Bilbao, and known as the Ruby Mine, and was a good average hematite.
- Papa says the Craven mines are remarkable, the new one with all that hematite is a fortune by itself.
- The streak of limonite is yellow, thus distinguishing it from hematite.
- He takes the softest hematite, grinds it upon a porphyry slab; and then carefully elutriates it.