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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 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 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 | 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- (Fe) Mineral Data
Location: Mount Surprise, Queensland, Australia Scale: See Photo © Jeff Weissman Photographic Guide to Mineral Species Images: Tantalite- (Fe) Comments: Blocky, crystalline aggregate of ferrotantalite crystals weighing over one kilogram Location: Ecuador, Minas Gerais, Brazil Scale: 10 x 6 x 5 cm © Rob Lavinsky
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 - 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
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
TANTALITE Definition Meaning - Merriam-Webster
The meaning of TANTALITE is a mineral consisting of a heavy dark lustrous oxide of tantalum and usually other metals (such as iron or manganese)
Tantalite Value, Price, and Jewelry Information
An overview on Tantalite Jewelry and Gemstones Covers details and essential information on the physical properties and characteristics of Tantalite gems

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