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Columbite Tantalite Means

Columbite - Wikipedia

What does the name Coltan mean? Find out below. Origin and Meaning of Coltan Submit the origin and/or meaning of Coltan to us below ... From the first syllables of columbite + tantalite. A metallic ore from which the elements niobium and tantalum are extracted. coltan was also found in the following language(s): Spanish.

tantalite definition | English definition dictionary | Reverso

Tantalum definition, a gray, hard, rare, metallic element occurring in columbite and tantalite and usually associated with niobium: used, because of its resistance to corrosion by most acids, for chemical, dental, and surgical instruments and apparatus.

Tantalite | Article about Tantalite by The Free Dictionary

Showing page 1. Found 18 sentences matching phrase "columbite-tantalite".Found in 8 ms. Translation memories are created by human, but computer aligned, which might cause mistakes.

Columbite dictionary definition | columbite defined

Coltan (short for columbite–tantalites and known industrially as tantalite) is a dull black metallic ore, from which the elements niobium and tantalum are extracted. The niobium-dominant mineral in coltan is columbite (after niobium's original American name columbium), and the tantalum-dominant mineral is tantalite.

What does columbite mean? definition and meaning (Free ...

Definition of tantalite from the Collins English Dictionary Noun phrases with several determiners Most noun phrases contain only one determiner or none at all, but if there are more, they follow a definite order.

tantalite - WordReference.com Dictionary of English

Define columbite-tantalite. columbite-tantalite synonyms, columbite-tantalite pronunciation, columbite-tantalite translation, English dictionary definition of columbite-tantalite. ) n. A dull black aggregate of the minerals columbite and tantalite, mined as a source of niobium and tantalum. Also called coltan . Noun 1....

What Are Conflict Minerals? | Source Intelligence

Freebase (0.00 / 0 votes) Rate this definition:. Tantalite. The mineral group tantalite [Ta2O6] is the primary source of the chemical element tantalum. It is chemically similar to columbite, and the two are often grouped together as a semi-singular mineral called coltan or "columbite-tantalite…

COLUMBITE - Definition and synonyms of columbite in the ...

Definition of columbite-tantalite in the AudioEnglish.org Dictionary. Meaning of columbite-tantalite. What does columbite-tantalite mean? Proper usage of the word columbite-tantalite. Information about columbite-tantalite in the AudioEnglish.org dictionary, synonyms and antonyms.

coltan | Definition of coltan in English at ...

columbite definition: a black, orthorhombic mineral, (Fe,Mn)(Nb,Ta)O, that is an ore of niobium and tantalumOrigin of columbite columb(ium) + -ite... Definitions. ... It is usually found associated with tantalum, the chief minerals containing these two elements being tantalite, columbite, ...

columbite-tantalite - English-French Dictionary - Glosbe

Find and lookup the definition, synonyms, and antonyms of the word coltan in our free online dictionary! Crossword Solver, Scrabble Word Finder, Scrabble Cheat. Site Search ... coltan - 1 definition - noun: 1. columbite-tantalite -- a valuable black mineral combining niobite and tantalite; used in cell phones and computer chips : synonyms ...

Columbite | Define Columbite at Dictionary.com

Columbite forms a solid solution series with Tantalite known as the Columbite-Tantalite seri Columbite is the niobium-rich member, and Tantalite is the, Coltan | Definition of Coltan by Merriam-Webster. Define coltan: a dull black ore that consists of a mixture of columbite and tantalite and is a minor source of tantalum

Columbite synonyms, columbite antonyms - FreeThesaurus.com

co•lum•bite (kə lum′bīt), USA pronunciation n.. Mineralogy a black, crystalline mineral, iron niobate, (Fe, Mn)Nb 2 O 6, the principal ore of niobium, an end member of a series of solid solutions in which manganese and tantalum combine to form tantalite.

Columbite-tantalite - definition of columbite-tantalite by ...

tantalite n a heavy brownish mineral consisting of a tantalum oxide of iron and manganese in orthorhombic crystalline form: it occurs in coarse granite, often with columbite, and is an ore of tantalum. Formula: (Fe,Mn)(Ta,Nb)2O6 (C19: from tantalum + -ite1)

Tantalite | Definition of Tantalite by Merriam-Webster

Columbite definition, a black, crystalline mineral, iron niobate, (Fe, Mn)Nb2O6, the principal ore of niobium, an end member of a series of solid solutions in which manganese and tantalum combine to form tantalite. See more.

What does tantalite mean? - Definitions.net

Meaning of columbite in the French dictionary with examples of use. Synonyms for columbite and translation of columbite to 25 languages. Educalingo cookies …

Coltan - Definition : Dictionary, Words That Start With ...

Jul 18, 2018· For alluvial tantalite-columbite, the minerals are basically liberated from the gangue with the useful mineral density over 4g/cm3 and sometimes the minerals are ... All columbite stone crushers possess a minimal reduction ratio meaning that columbates and tantalates, and columbite is the chief ore mineral of niobium. Contact Us ...

Coltan | Definition of Coltan by Merriam-Webster

The term "conflict minerals" is defined as columbite-tantalite, also known as coltan (from which tantalum is derived); cassiterite (tin); gold; wolframite (tungsten); or their derivatives; or any other mineral or its derivatives determined by the Secretary of State to be financing conflict in the Democratic Republic of the Congo or an adjoining country.

Columbite | Article about Columbite by The Free Dictionary

Definition of columbite-tantalite in the Definitions.net dictionary. Meaning of columbite-tantalite. Information and translations of columbite-tantalite in the most comprehensive dictionary definitions resource on the web.

Define tantalite | Dictionary and Thesaurus

tantalite: A black to red-brown mineral, (Fe,Mn)(Ta,Nb)2O6, distinguished from columbite by the predominance of tantalum over niobium and used as an ore of both elements. tantalite - definition and meaning

columbite tantalite - residencesantagata.it

Coltan definition is - a dull black ore that consists of a mixture of columbite and tantalite and is a minor source of tantalum. a dull black ore that consists of a mixture of columbite and tantalite and is a minor source of tantalum… See the full definition. SINCE 1828. Menu.

Coltan - Wikipedia

tantalite / ˈtæntəˌlaɪt / n. a heavy brownish mineral consisting of a tantalum oxide of iron and manganese in orthorhombic crystalline form: it occurs in coarse granite, often with columbite…

COLUMBITE-TANTALITE - crossword answers, clues, definition ...

Coltan | columbite-tantalite. a dull black metallic ore from which the elements niobium and tantalum are extracted. The niobium-dominant mineral in coltan is columbite, and the tantalum-dominant mineral is tantalite. ... oxforddictionaries .com /definition /english /coltan. Merriam-Webster: coltan. a dull black ore that consists of a mixture of ...

What does columbite-tantalite mean? - Definitions.net

Tantalite is the most widespread tantalum mineral and forms a series with the mineral columbite. Tantalisina Tantalum He enthusiastically told me about a fabulous mine there that had 3-foot fluorite crystals and sprays of columbite and tantalite in the walls of the mine.

columbite mineral crusher - perkinspreschool.com

Columbite, also called niobite, niobite-tantalite and columbate [(Fe, Mn)Nb 2 O 6], is a black mineral group that is an ore of niobium. It has a submetallic luster and a high density and is a niobate of iron and manganese. This mineral group was first found in Haddam, Connecticut, in the United States.

Tantalite - definition of tantalite by The Free Dictionary

tantalite definition: a black, orthorhombic mineral, (Fe,Mn)(Ta,Nb)O, that is an ore of tantalum and niobiumOrigin of tantaliteGerman tantalit: ... These elements occur in the minerals columbite and tantalite, and their compounds became known in the early part …

columbite | Definition of columbite in English by Oxford ...

Tantalite, [(Fe, Mn) Ta2O6], is a mineral that is close to columbite. In fact, the two are often grouped together as a semi-singular mineral called columbite-tantalite in many mineral guides. But Tantalite has a much greater specific gravity than Columbite (8.0+ compared to Columbite's 5.2).

coltan | Definition of coltan in English by Oxford ...

Definition of columbite - a black mineral, typically occurring as dense tabular crystals, consisting of an oxide of iron, manganese, niobium, and tantalum. ... 'It occurs most commonly in the minerals columbite, tantalite, and microlite.' ... 'Beryl, columbite, and triphylite are common accessory minerals in the Estes pegmatite ...

Tantalite dictionary definition | tantalite defined

COLUMBITE Dictionary entry overview: What does columbite mean? • COLUMBITE (noun) The noun COLUMBITE has 1 sense: 1. a black mineral that is an ore of niobium and tantalum Familiarity information: COLUMBITE used as a noun is very rare.

Columbite definition and meaning | Collins English Dictionary

Write what you mean clearly and correctly. References in periodicals archive? Apart form oil and gas, Nigeria's other minerals include tin, ... Nigeria's underexploited mining sector had resources of iron ore, tine, columbite, tantalite, gypsum, cola, gold, nickel, lead and uranium to exploit.

columbite-tantalite - Dictionary Definition : Vocabulary.com

COLUMBITE-TANTALITE 'COLUMBITE-TANTALITE' is a 18 letter word starting with C and ending with E Synonyms, crossword answers and other related words for COLUMBITE-TANTALITE. We hope that the following list of synonyms for the word columbite-tantalite will …

Tantalum | Define Tantalum at Dictionary.com

Definition of coltan - a dull metallic mineral which is a combination of columbite and tantalite and which is refined to produce tantalum.

Tantalite definition and meaning | Collins English Dictionary

columbite-tantalite. Thesaurus. Definitions of columbite-tantalite. 1. n a valuable black mineral combining niobite and tantalite; used in cell phones and computer chips. Synonyms: coltan Type of: mineral. solid homogeneous inorganic substances occurring in nature having a …

Tantalite Meaning & Uses: Highly Protective, Boosts ...

Definition of Coltan in English : Define Coltan in English. Coltan meaning in English. Meaning of Coltan in English. ... Coltan see synonyms of coltan. noun; 1. coltan, columbite-tantalite. a valuable black mineral combining niobite and tantalite; used in cell phones and computer chips. Synonyms. columbite-tantalite. Based on WordNet 3.0 ...

tantalite - definition and meaning - Wordnik.com

Tantalite is genetically associated with granites, rare-metal, muscovite, and quartz-feldspar pegmatites, carbonatites, and alkaline rocks. In pegmatites, tantalite crystallizes in a later stage than columbite, associating with albite, lepidolite, beryl, and other minerals.

What Does The Name Coltan Mean? - The Meaning of Names

Define tantalite. tantalite synonyms, tantalite pronunciation, tantalite translation, English dictionary definition of tantalite. n. A black to red-brown mineral, 2O6, distinguished from columbite by the predominance of tantalum over niobium and used as an ore of both elements.

What does columbite-tantalite mean? definition and meaning ...

Tantalite definition is - a mineral consisting of a heavy dark lustrous oxide of tantalum and usually other metals (such as iron or manganese). a mineral consisting of a heavy dark lustrous oxide of tantalum and usually other metals (such as iron or manganese)… See the full definition.

columbite - WordReference.com Dictionary of English

Columbite definition: a black mineral consisting of a niobium oxide of iron and manganese in orthorhombic... | Meaning, pronunciation, translations and examples

coltan - Memidex dictionary/thesaurus

It is chemically similar to Columbite, so you may also see it called columbite-tantalite in some places. It is also known by two other names depending on the exact makeup of the stones. ... Meaning of Tantalite. This stone's name relates to the Greek word 'tantalus" and the chemical element it is associated with and contains is tantalum.