| 释义 |
Definition of goethite in English: goethitenoun ˈɡəːtʌɪtˈɡōTHīt mass nounA dark or yellowish-brown mineral consisting of hydrated iron oxide, occurring typically as masses of fibrous crystals. 针铁矿 Example sentencesExamples - It includes goethite on quartz, secondary quartz enclosing already crystallized goethite, and goethite and secondary quartz crystallizing together.
- Although each mound had substantial amounts of quartz and kaolinite, minerals that reflected differences in mound material included magnetite, gypsum, hornblende, hematite, goethite, and feldspars.
- Some of this quartz exhibits amethyst coloration, and the totally included goethite obviously crystallized at the same time the quartz was forming.
- Crystals commonly display rhombic dodecahedral morphology, are generally small, and are frequently replaced by goethite or other iron oxides/hydroxides.
- Tiny crystals of hematite, goethite, chalcopyrite, marcasite, and dolomite are common and make excellent micromounts.
OriginEarly 19th century: from the name of J.W. von Goethe, Johann Wolfgang von + -ite1. Definition of goethite in US English: goethitenounˈɡōTHīt A dark reddish-brown or yellowish-brown mineral consisting of oxyhydroxide iron, occurring typically as masses of fibrous crystals. 针铁矿 Example sentencesExamples - Some of this quartz exhibits amethyst coloration, and the totally included goethite obviously crystallized at the same time the quartz was forming.
- Tiny crystals of hematite, goethite, chalcopyrite, marcasite, and dolomite are common and make excellent micromounts.
- Crystals commonly display rhombic dodecahedral morphology, are generally small, and are frequently replaced by goethite or other iron oxides/hydroxides.
- Although each mound had substantial amounts of quartz and kaolinite, minerals that reflected differences in mound material included magnetite, gypsum, hornblende, hematite, goethite, and feldspars.
- It includes goethite on quartz, secondary quartz enclosing already crystallized goethite, and goethite and secondary quartz crystallizing together.
OriginEarly 19th century: from the name of J.W. von Goethe, Johann Wolfgang von + -ite. |