columbite in English

noun
1
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.
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.
noun
    niobite

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Below are sample sentences containing the word "columbite" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "columbite", or refer to the context using the word "columbite" in the English Dictionary.

1. Columbite synonyms, Columbite pronunciation, Columbite translation, English dictionary definition of Columbite

2. Columbite-tantalite synonyms, Columbite-tantalite pronunciation, Columbite-tantalite translation, English dictionary definition of Columbite-tantalite

3. Columbite Ore minerals or Columbite concentrate export is the export of Columbite from Nigeria to international buyers located in various parts of the world

4. Tantalite forms a solid solution series with Columbite known as the Columbite-Tantalite series

5. Columbite forms a solid solution series with Tantalite known as the Columbite-Tantalite series

6. What are synonyms for Columbite?

7. Columbite-(Fe) Comments: Dark grains of Columbite-(Fe) wtth small brown grains of fluorcarbonates of LREE

8. Synonyms for Columbite in Free Thesaurus

9. 1 synonym for Columbite: niobite

10. Definition of Columbite in the Definitions.net dictionary

11. What does Columbite mean? Information and translations of Columbite in the most comprehensive dictionary definitions resource on the web.

12. 2100+ Columbite Buyers-Importers – Access to Columbite Wholesalers, Distributors, Purchasing and Trade Managers, Traders and Importers Directory.Get Latest Columbite buying leads, quotations and buy offers from Australia Importers, China Importers, Lebanon Importers and Malaysia Importers.

13. Columbite crystallizes in the rhombic system

14. Get the best deals for Columbite at eBay.com

15. Buy Columbite Columbite - a group of minerals with a black, brown-black color, usually containing elements of iron, manganese or magnesium

16. Extreme variation and apparent reversal of Nb-Ta fractionation in Columbite-group minerals from the Scheibengraben beryl-Columbite granitic pegmatite, Marsikov, Czech Republic

17. Species: Columbite-TANTALITE Locality: Yuhas Mine, Acworth, NH Specimen Size: 6.5 cm specimen of massive Columbite-Tantalite with minor feldspar

18. Columbite-(Fe): Fe 2+ Nb 2 O 6 Columbite-(Mn): (Mn 2+,Fe 2+)(Nb,Ta) 2 O 6 While Columbite-(Mn) is generally not a radioactive mineral, the radioactivity present in these specimens is probably due to minor amounts of U or UO 2

19. Columbite crystals are short prismatic, thin tabular, or tabular.

20. Columbite-(Fe) - Dull black somewhat crude set of crystals

21. Coltan is short for columbite-tantalite, a dull metallic ore

22. Columbite, Tantalite, Tin, Gold, Copper Trading company in Greenville, DE.

23. The Ta enrichment in the Columbite is attributed to replacement of the Columbite by Ta- and F-rich hydrosilicate melt in the magmatic-hydrothermal transitional stage.

24. It is exported in either the Columbite Ore form or the Columbite concentrate form, and are further processed upon arrival at the buyer’s facility into various forms of alloys or for

25. Favorite Add to Large Columbite (Fe) Crystal From Brazil - 1.2" - …

26. Product/Service:Selling Columbite, tantalite, casseterite ores along with precious minerals such as topaz

27. ,,Selling Columbite, tantalite, casseterite ores along with precious minerals such as topaz

28. Coltan is a mixture of columbite and tantalite, both valuable Tantalum ores

29. Columbite definition is - a black mineral consisting mostly of iron and niobium.

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31. Tantalite is the tantalum-rich member, and Columbite is the niobium-rich member

32. Columbite is the niobium-rich member, and Tantalite is the tantalum-rich member

33. Columbite (niobite, tantalite) A mineral oxide (Fe,Mn)(Ta,Nb) 2 O 6; when Ta > Nb the mineral is called tantalite, but when Ta < Nb it is called Columbite; sp

34. 17 Grams Very Beautiful Combination of Columbite Apatite and Muscovite Crystal From Skardu Pakistan ssminerals

35. Coltan is a dull black metallic ore consisting of two minerals, columbite and tantalite

36. The Columbite in the Zhaojinggou deposit crystallized from a highly evolved peraluminous granitic magma

37. ‘Beryl, Columbite, and triphylite are common accessory minerals in the Estes pegmatite, especially in the coarse-grained layers.’ ‘It is most abundant in the coarse-grained facies and is often associated with triphylite, Columbite, and sphalerite.’

38. ‘Beryl, Columbite, and triphylite are common accessory minerals in the Estes pegmatite, especially in the coarse-grained layers.’ ‘It is most abundant in the coarse-grained facies and is often associated with triphylite, Columbite, and sphalerite.’

39. Coltan is short for Columbite-tantalite - a black tar-like mineral found in major quantities in the Congo.

40. • Columbite is a mineral of a black colour, sub-metallic lustre • A mineral of a black color, submetallic luster, and high specific specific gravity • Hard, black (often iridescent), heavy oxide mineral of iron, manganese • Columbite, also called niobite, niobite-tantalite and columbate ((Fe

41. Columbite, hard, black (often iridescent), heavy oxide mineral of iron, manganese, and niobium, (Fe, Mn)Nb2O6

42. Coltan, also known as columbite-tantalite, is a dull black metallic mineral containing the elements niobium and tantalum

43. Columbite is named after its niobium content, which was previous known as columbium prior to its renaming.

44. Browse 31 Columbite stock photos and images available, or start a new search to explore more stock photos and images

45. Columbite-tantalite — Coltan for short — is a dull metallic ore found in major quantities in the eastern areas of Congo

46. TUC14-26 Columbite $2,500.00 Toenail, 2.8 x 2.7 x 1.0 cm Himalaya Mine, San Diego County, California, USA

47. A dull black aggregate of the minerals Columbite and tantalite, mined as a source of niobium and tantalum

48. COLTAN (Columbite-Tantalite) is a dull metallic ore found in major quantities in the eastern areas of Congo

49. Columbite is the most widespread niobium mineral and makes for an important ore of the industrially useful metal

50. Columbite-tantalite is also found as crystals up to 2 cm long in a pegmatite in the NE SW SE Sec