英语词汇“acanthite”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

acanthite

/əˈkanθʌɪt/

Mineralogy

noun

An ore mineral of silver typically occurring as small, silver-grey, thorn-shaped or prismatic crystals, or in polycrystalline masses.

Acanthite is silver sulphide, Ag₂S, and is stable only up to 170–180°C; above that temperature the stable polymorph is argentite. Crystal system: monoclinic, though naturally occurring crystals of acanthite are often paramorphs after argentite, which is cubic..

Origin

Mid 19th century; earliest use found in Quarterly Journal of the Chemical Society. From German Akanthit from ancient Greek ἄκανθα thorn + German -it. The mineral is so named on account of the shape of its crystals.

单词	acanthite
释义	acanthite /əˈkanθʌɪt/ Mineralogy noun An ore mineral of silver typically occurring as small, silver-grey, thorn-shaped or prismatic crystals, or in polycrystalline masses. Acanthite is silver sulphide, Ag₂S, and is stable only up to 170–180°C; above that temperature the stable polymorph is argentite. Crystal system: monoclinic, though naturally occurring crystals of acanthite are often paramorphs after argentite, which is cubic.. Origin Mid 19th century; earliest use found in Quarterly Journal of the Chemical Society. From German Akanthit from ancient Greek ἄκανθα thorn + German -it. The mineral is so named on account of the shape of its crystals.
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