Definition of columbite in English:

columbite

noun kəˈlʌmbʌɪtˈkɑləmˌbaɪt

mass noun

A black mineral, typically occurring as dense tabular crystals, consisting of an oxide of iron, manganese, niobium, and tantalum. It is the chief ore of niobium.
铌铁矿
Example sentencesExamples
- The abundance of these elements in the parental magma leads to the formation of less-common minerals such as apatite, beryl, topaz, amblygonite, lepidolite, spodumene tantalite, columbite, monazite, zircon, and uraninite.
- It occurs most commonly in the minerals columbite, tantalite, and microlite.
- It is most abundant in the coarse-grained facies and is often associated with triphylite, columbite, and sphalerite.
- Beryl, columbite, and triphylite are common accessory minerals in the Estes pegmatite, especially in the coarse-grained layers.
- These minerals are columbite, microlite, futile, thorite, and zircon.

Origin

Early 19th century: from columbium + -ite¹.

Definition of columbite in US English:

columbite

nounˈkäləmˌbītˈkɑləmˌbaɪt

A black mineral, typically occurring as dense tabular crystals, consisting of an oxide of iron, manganese, niobium, and tantalum. It is the chief ore of niobium.
铌铁矿
Example sentencesExamples
- Beryl, columbite, and triphylite are common accessory minerals in the Estes pegmatite, especially in the coarse-grained layers.
- It occurs most commonly in the minerals columbite, tantalite, and microlite.
- It is most abundant in the coarse-grained facies and is often associated with triphylite, columbite, and sphalerite.
- The abundance of these elements in the parental magma leads to the formation of less-common minerals such as apatite, beryl, topaz, amblygonite, lepidolite, spodumene tantalite, columbite, monazite, zircon, and uraninite.
- These minerals are columbite, microlite, futile, thorite, and zircon.

Origin

Early 19th century: from columbium + -ite.

单词	columbite
释义	Definition of columbite in English: columbite noun kəˈlʌmbʌɪtˈkɑləmˌbaɪt mass noun A black mineral, typically occurring as dense tabular crystals, consisting of an oxide of iron, manganese, niobium, and tantalum. It is the chief ore of niobium. 铌铁矿 Example sentencesExamples The abundance of these elements in the parental magma leads to the formation of less-common minerals such as apatite, beryl, topaz, amblygonite, lepidolite, spodumene tantalite, columbite, monazite, zircon, and uraninite. It occurs most commonly in the minerals columbite, tantalite, and microlite. It is most abundant in the coarse-grained facies and is often associated with triphylite, columbite, and sphalerite. Beryl, columbite, and triphylite are common accessory minerals in the Estes pegmatite, especially in the coarse-grained layers. These minerals are columbite, microlite, futile, thorite, and zircon. Origin Early 19th century: from columbium + -ite¹. Definition of columbite in US English: columbite nounˈkäləmˌbītˈkɑləmˌbaɪt A black mineral, typically occurring as dense tabular crystals, consisting of an oxide of iron, manganese, niobium, and tantalum. It is the chief ore of niobium. 铌铁矿 Example sentencesExamples Beryl, columbite, and triphylite are common accessory minerals in the Estes pegmatite, especially in the coarse-grained layers. It occurs most commonly in the minerals columbite, tantalite, and microlite. It is most abundant in the coarse-grained facies and is often associated with triphylite, columbite, and sphalerite. The abundance of these elements in the parental magma leads to the formation of less-common minerals such as apatite, beryl, topaz, amblygonite, lepidolite, spodumene tantalite, columbite, monazite, zircon, and uraninite. These minerals are columbite, microlite, futile, thorite, and zircon. Origin Early 19th century: from columbium + -ite.
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