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单词 cromfordite
释义

cromfordite

英汉-汉英词典
n. 角铅矿
词组 | 习惯用语
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  • comfortable adj. 安逸的, 使人舒服的 丰富的
  • comfortably adv. 舒服地;容易地;充裕地
  • comforter n. 安慰者;盖被;长围巾
  • micrometeorite n. 微小陨石

网络短语:
cromfordite 角铅矿
英语百科

Phosgenite

(重定向自Cromfordite)
An example of the mineral Phosgenite on display at the Royal Ontario Museum

Phosgenite is a rare mineral consisting of lead chlorocarbonate, (PbCl)2CO3. The tetragonal crystals are prismatic or tabular in habit: they are usually colorless and transparent, and have a brilliant adamantine lustre. Sometimes the crystals have a curious helical twist about the tetrad or principal axis. The hardness is 3 and the specific gravity 6.3. The mineral is rather sectile, and consequently was earlier known as corneous lead.

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更新时间:2025/6/21 5:15:26