请输入您要查询的英文单词:

 

单词 wolframite
释义

Definition of wolframite in English:

wolframite

nounˈwʊlfrəmʌɪtˈwʊlfrəˌmaɪt
mass noun
  • A black or brown mineral which is the chief ore of tungsten. It consists of a tungstate of iron and manganese.

    Example sentencesExamples
    • Wolframite crystals 5-15 cm long were scattered throughout the vein along with numerous cavities or ‘pockets’ with crystals of quartz and wolframite.
    • Minerals such as wolframite, arsenopyrite, fluorite, and quartz are well known from this mine.
    • How about apatite, apophyllite, axinite, chlorite, hypersthene, scapolite, serpentine, tantalite, and wolframite?
    • This and nearby districts are also known for perfect, doubly terminated wolframite crystals to 20 cm, perched on water-clear quartz.
    • It occurs most commonly in the minerals scheelite (calcium tungstate) and wolframite (iron manganese tungstate WO 4).
    • It is found in more than 800 different minerals, the most important of which are thortveitite and wolframite.
    • Feldspar has been hydrothermally altered by a fluorine-rich water vapor to quartz, mica (usually lithian), topaz and/or tourmaline with fluorite, cassiterite, molybdenite, rutile, and wolframite as typical accessory minerals.
    • A greisen is a quartz - mica aggregate containing significant amounts of cassiterite, wolframite, fluorite, topaz, rutile, and tourmaline.
    • Other mineral resources include wolframite, gold and unexploited natural gas reserves.
    • Lustrous pyrrhotite crystals on quartz and wolframite were recovered at one time from the ‘Cables’ section of the Chicote Grande mine, Bolivia.
    • Griffitts reported that wolframite is a commonly occurring mineral in some beryl-bearing veins, especially at the Mary Lee prospect.
    • Hillebrand reports on hubnerite and wolframite on the 1700 level of the north Montana vein.
    • Arsenopyrite, cassiterite, molybdenite, wolframite, uraninite, and several of the common sulfides have all been observed at various locations.
 
 

Definition of wolframite in US English:

wolframite

nounˈwʊlfrəˌmaɪtˈwo͝olfrəˌmīt
  • A black or brown mineral which is the chief ore of tungsten. It consists of a tungstate of iron and manganese.

    Example sentencesExamples
    • It occurs most commonly in the minerals scheelite (calcium tungstate) and wolframite (iron manganese tungstate WO 4).
    • Minerals such as wolframite, arsenopyrite, fluorite, and quartz are well known from this mine.
    • Feldspar has been hydrothermally altered by a fluorine-rich water vapor to quartz, mica (usually lithian), topaz and/or tourmaline with fluorite, cassiterite, molybdenite, rutile, and wolframite as typical accessory minerals.
    • Griffitts reported that wolframite is a commonly occurring mineral in some beryl-bearing veins, especially at the Mary Lee prospect.
    • Arsenopyrite, cassiterite, molybdenite, wolframite, uraninite, and several of the common sulfides have all been observed at various locations.
    • Wolframite crystals 5-15 cm long were scattered throughout the vein along with numerous cavities or ‘pockets’ with crystals of quartz and wolframite.
    • It is found in more than 800 different minerals, the most important of which are thortveitite and wolframite.
    • A greisen is a quartz - mica aggregate containing significant amounts of cassiterite, wolframite, fluorite, topaz, rutile, and tourmaline.
    • Hillebrand reports on hubnerite and wolframite on the 1700 level of the north Montana vein.
    • How about apatite, apophyllite, axinite, chlorite, hypersthene, scapolite, serpentine, tantalite, and wolframite?
    • This and nearby districts are also known for perfect, doubly terminated wolframite crystals to 20 cm, perched on water-clear quartz.
    • Lustrous pyrrhotite crystals on quartz and wolframite were recovered at one time from the ‘Cables’ section of the Chicote Grande mine, Bolivia.
    • Other mineral resources include wolframite, gold and unexploited natural gas reserves.
 
 
随便看

 

英语词典包含464360条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/2/5 4:22:01