chalcedony

chalcedony — 名詞

1. a type of quartz stone with a soft, waxy shine, often pale blue, milky white, or

1.名詞C2
釋義

玉髓

蠟狀光澤的半透明石英礦物

a type of quartz stone with a soft, waxy shine, often pale blue, milky white, or grey, and slightly see-through; used in jewellery and small carved objects.

例句

Jenna found a smooth blue chalcedony on the beach near her grandmother's house.

Jenna 在外婆家附近的海灘上發現了一顆光滑的藍色玉髓。

common collocation: smooth/polished + chalcedony

The museum displayed Roman seal rings carved from milky chalcedony and red carnelian.

博物館展出了用乳白色玉髓和紅色光玉髓雕成的羅馬印戒。

noun: carved chalcedony in historical jewellery

常見搭配
  • smooth chalcedony
  • blue chalcedony
  • polished chalcedony
  • a piece of chalcedony
同義詞
  • quartz

    broader category — chalcedony is one specific microcrystalline form of quartz

  • agate

    a banded, patterned variety of chalcedony

  • carnelian

    a reddish-orange variety of chalcedony

用法筆記

Almost always uncountable when describing the material; use 'a piece of chalcedony' rather than 'a chalcedony'. Countable only when referring to individual cut stones in a jewellery context.

常見錯誤

She bought three chalcedonies at the market.
She bought three pieces of chalcedony at the market.
chalcedony is a mass noun for the material; count it with 'piece(s) of' unless naming individual cut stones.

同根字

  • chalcedonic
    形容詞C2

常見搭配

名詞搭配

  • chalcedony bead
  • chalcedony pendant
  • chalcedony cabochon

常用片語

  • a piece of chalcedony
  • polished chalcedony

介系詞搭配

  • carved from chalcedony
  • made of chalcedony