calcite

/ˈkælsaɪt/ (bre, ipa) · [kˈælsˌaɪt] /ˈkælsaɪt/ (ame, ipa) · [kˈælsˌaɪt] /ˈkal-ˌsīt How to pronounce calcite (audio)/ (ame, mw)

calcite — noun

1. a mineral made of calcium carbonate, often clear or pale white, that appears in

1.名詞C2
釋義

a mineral made of calcium carbonate, often clear or pale white, that appears in rocks like chalk, marble, and limestone

例句

Kenji held the calcite crystal to the lamp and saw light pass through it.

calcite crystal that lets light pass through

The guide showed us thin lines of calcite on the cave wall.

calcite found on cave walls

同義詞
  • mineral

    broader term for any natural solid substance in rock

  • crystal

    broader term that names the solid form, not this specific mineral

  • aragonite

    same chemical substance but a different crystal form

文法句型

piece of calcite

calcite crystal

made of calcite

用法筆記

Calcite is usually uncountable when you mean the mineral in general. Writers make it countable only when they mention one crystal, piece, or layer of it.

常見錯誤

❌The cave walls are covered with calcites.
✅The cave walls are covered with calcite.
💡Use the uncountable form for the mineral in general; add 'crystals' only when counting separate pieces.