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Columbite : definition of Columbite and synonyms of ...

Columbite, also called niobite, niobitetantalite and columbate [(Fe, Mn)Nb 2 O 6], is a black mineral group that is an ore of has a submetallic luster and a high density and is a niobate of iron and mineral group was first found in Haddam, forms a series with the tantalumdominant analogue ferrotantalite and one with the manganesedominant analogue ...

columbite Dictionary of English

columbite WordReference English dictionary, questions, discussion and forums. All Free. | Online Language Dictionaries. ... an end member of a series of solid solutions in which manganese and tantalum combine to form tantalite. columb (ium) + ite 1 1795–1805

What Does The Name Coltan Mean? The Meaning of Names

What does the name Coltan mean? Find out below. Origin and Meaning of Coltan User Submitted Meanings. A submission from Delaware, United States says the name Coltan means "A valuable, metallic ore consisting of columbite + tantalite. It is mostly mined in the African Congo. It is refined into a powder that is valued for it's ability to ...

Columbite Wikipedia

Columbite, also called niobite, niobitetantalite and columbate [(Fe, Mn)Nb 2 O 6], is a black mineral group that is an ore of has a submetallic luster and a high density and is a niobate of iron and mineral group was first found in Haddam, Connecticut, in the United forms a series with the tantalumdominant analogue ferrotantalite and one with the manganese ...

What is Coltan? 5 Facts You Should Know | INN

Coltan itself is a vessel for technology minerals tantalum and niobium. Coltan, or columbite tantalite, is an ore from which niobium and tantalum are extracted.

What does columbitetantalite mean? definition, meaning ...

Definition of columbitetantalite in the Dictionary. Meaning of columbitetantalite. What does columbitetantalite mean? Proper usage and audio pronunciation of the word columbitetantalite. Information about columbitetantalite in the dictionary, synonyms and …

Columbites | Article about columbites by The Free Dictionary

(from Latin columbium, an alternate name for niobium), a mineral of the columbitetantalite group, combining complex oxides of the AB 2 O 6 type and forming the isomorphic series FeNb 2 O 6 —MnNb 2 O 6 (columbite proper) and FeTa 2 O 6 —MnTa 2 O 6 (tantalite). The columbites also include members of isomorphic series in which niobium (in weight percent) predominates over tantalum.

Columbite | Definition of Columbite at

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.

Coltan | Definition of Coltan by MerriamWebster

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.

tantalite definition | English definition dictionary | Reverso

Search tantalite and thousands of other words in English definition and synonym dictionary from Reverso. You can complete the definition of tantalite given by the English Definition dictionary with other English dictionaries: Wikipedia, Lexilogos, Oxford, Cambridge, Chambers Harrap, Wordreference, Collins Lexibase dictionaries, Merriam Webster...

What does Columbite mean?

Columbite Columbite, also called niobite, niobitetantalite and columbate [(Fe, Mn)Nb2O6], 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.

Columbitetantalite definition of columbitetantalite by ...

Define columbitetantalite. columbitetantalite synonyms, columbitetantalite pronunciation, columbitetantalite translation, English dictionary definition of columbitetantalite. ) n. A dull black aggregate of the minerals columbite and tantalite, mined as a source of niobium and tantalum.

What does columbite mean? definition, meaning and audio ...

Definition of columbite in the Dictionary. Meaning of columbite. What does columbite mean? Proper usage and audio pronunciation of the word columbite. Information about columbite in the dictionary, synonyms and antonyms.

Tantalite definition and meaning | Collins English Dictionary

Tantalite definition: a heavy brownish mineral consisting of a tantalum oxide of iron and manganese in... | Meaning, pronunciation, translations and examples

Columbite | Definition of Columbite by MerriamWebster

Columbite definition is a black mineral consisting mostly of iron and niobium. a black mineral consisting mostly of iron and niobium… See the full definition. SINCE 1828. Menu. JOIN MWU Gain access to thousands of additional definitions and advanced search features—ad free! …

Coltan | Definition of Coltan by Lexico

What does coltan mean? coltan is defined by the lexicographers at Oxford Dictionaries as A dull metallic mineral which is a combination of columbite and tantalite and which is refined to produce tantalum.

Tantalite Meaning Use: Highly Protective, Boosts ...

It is chemically similar to Columbite, so you may also see it called columbitetantalite in some places. It is also known by two other names depending on the exact makeup of the stones. The more common one is the manganese rich type which is called manganotantalite or …

Tantalite definition/meaning

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 semisingular mineral called coltan or "columbitetantalite" in many mineral guides. However, tantalite has a much greater specific gravity than columbite.

Columbite | Article about Columbite by The Free Dictionary

(from Latin columbium, an alternate name for niobium), a mineral of the columbitetantalite group, combining complex oxides of the AB 2 O 6 type and forming the isomorphic series FeNb 2 O 6 —MnNb 2 O 6 (columbite proper) and FeTa 2 O 6 —MnTa 2 O 6 (tantalite). The columbites also include members of isomorphic series in which niobium (in weight percent) predominates over tantalum.

What does columbite mean?

Definition of columbite in the dictionary. Meaning of columbite. What does columbite mean? Information and translations of columbite in the most comprehensive dictionary definitions resource on the web.

Tantalite: Definition with Tantalite Pictures and Photos

Definition of Tantalite. 1. Noun. (minerology) A darkbrown mineral that is an ore of tantalum and niobium, of the chemical formula (Fe, Mn) Ta 2 O 6. ¹. ¹ Source: Definition of Tantalite. 1. [n S] Medical Definition of Tantalite. 1. A heavy mineral of an ironblack colour and submetallic luster. It is essentially a tantalate ...

What Are Conflict Minerals? | Source Intelligence

The conflict minerals regulation is a global standard for ethical sourcing. The conflict minerals reporting template (CMRT) is a free, standardized reporting template developed by the Responsible Minerals Initiative (RMI) and is considered the industry standard reporting template for conflict minerals …

Columbite definition and meaning | Collins English Dictionary

Columbite definition: a black mineral consisting of a niobium oxide of iron and manganese in orthorhombic... | Meaning, pronunciation, translations and examples ... Meaning, pronunciation, translations and examples. English Dictionary ... often with tantalite, and is an ore of niobium. Formula: (Fe, Mn)(Nb) 2 O 6. Also called: niobite. Collins ...

Columbitetantalite dictionary definition | columbite ...

columbitetantalite definition: nounA dull black aggregate of the minerals columbite and tantalite, mined primarily in central Africa as an ore for niobium and tantalum. It is also used to make nuclear reactor parts and electronic components in devices such as ce...

Columbite Tantalite: a film that fuses Congo's past and ...

Dec 11, 2013· Columbite Tantalite: a film that fuses Congo's past and present struggles Chiwetel Ejiofor on his short film, which focuses on how the wealth …

Columbite | Definition of Columbite by Lexico

What does columbite mean? columbite is defined by the lexicographers at Oxford Dictionaries as A black mineral, typically occurring as dense tabular crystals, consisting of …

Columbite dictionary definition | columbite defined

columbite definition: a black, orthorhombic mineral, (Fe,Mn)(Nb,Ta)O, that is an ore of niobium and tantalumOrigin of columbite columb(ium) + ite...

Tantalum | Definition of Tantalum at

Tantalum definition, a gray, hard, rare, metallic element occurring in columbite and tantalite and usually associated with niobium: used, because of its resistance to ...

Coltan Wikipedia

Definition of columbitetantalite in the Dictionary. Meaning of columbitetantalite. What does columbitetantalite mean? Proper usage and audio pronunciation of the word columbitetantalite. Information about columbitetantalite in the dictionary, synonyms and …

What are conflict minerals?

“Conflict minerals,” as defined by the US legislation, currently include the metals tantalum, tin, tungsten and gold, which are the derivatives of the minerals cassiterite, columbitetantalite and wolframite, respectively. Downstream companies often refer to the derivatives of

What does columbitetantalite mean?

Definition of columbitetantalite in the dictionary. Meaning of columbitetantalite. What does columbitetantalite mean? Information and translations of columbitetantalite in the most comprehensive dictionary definitions resource on the web.