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tantalite

钽铁矿; 钽铁矿

WordNet (r) 3.0 (2006) (WordNet)

tantalite
n 1: a mineral consisting of tantalum oxide of iron and
manganese that occurs with niobite or in coarse granite; an
ore of tantalum

The Collaborative International Dictionary of English v.0.48 (gcide)

Tantalite \Tan"ta*lite\, n. [Cf. F. tantalite.] (Min.)
A heavy mineral of an iron-black color and submetallic
luster. It is essentially a tantalate of iron.
[1913 Webster]

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Tantalite - Wikipedia
The tantalum metal extracted from tantalite is used in alloys for strength and higher melting points, in glass to increase the index of refraction, and in surgical steel, as it is non-reactive and non-irritating to body tissues
Tantalite: Mineral information, data and localities.
An obsolete group name for minerals with the general formula (Mn,Fe) (Ta,Nb) 2 O 6, equivalent to the Tantalite- (Fe)-Tantalite- (Mn) Series Generally mangan-dominant members are more abundant in nature Many specimens called tantalite actually belong to the columbite series or tapiolite series
Tantalite Gem: Properties, Meanings, Value More
Tantalite is a group of red, brown, or black minerals containing the rare and valuable element tantalum Discover the uses, history, prices, and properties of tantalite gemstones in this guide!
Tantalite | mineral | Britannica
Tantalite, tantalum-rich variety of the mineral columbite (q v ) with the chemical formula (Fe,Mn) (Ta,Nb)2O6 Tantalite is the principal ore of the metal
Tantalite Gem Guide and Properties Chart - Gemstones. com
This Tantalite gemstone guide lists qualities of the Tantalite gem type, including stone colors, common names, meanings, gemstone hardness and more
What Is Tantalite Used For? From Ore to Applications
Tantalite is a mineral comprising tantalum and niobium oxides, often found alongside the chemically similar mineral columbite in a mixture commonly called coltan This dark, dense mineral serves as the primary ore source for the element Tantalum (Ta), a rare refractory metal
Tantalite: The mineral columbite-tantalite information and pictures . . .
Detailed description, properties, locality information guide about the mineral tantalite (columbite-tantalite)
Tantalite- (Fe) Mineral Data
Named for the FERROus iron and from the Greek, Tantalos = father of Niobe Comments: Rounded black crystal of ferrotantalite Location: Mount Surprise, Queensland, Australia Scale: See Photo Comments: Blocky, crystalline aggregate of ferrotantalite crystals weighing over one kilogram Location: Ecuador, Minas Gerais, Brazil Scale: 10 x 6 x 5 cm
Tantalite- (fe) (Tantalite- (Fe)) - Rock Identifier
The mineral group tantalite [ (Fe, Mn)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" in many mineral guides
Tantalite - Gems Minerals
Tantalite is a dense, black to brown oxide mineral best known as one of the principal natural sources of tantalum, a critical metal used in modern electronics, aerospace alloys, and high-performance materials

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