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词汇 thaumasite
分类 英语词汇 英语翻译词典
释义

thaumasite /'θɔ:məsait/

英汉-汉英词典
n. 硅灰石膏(风硬石)
词组 | 习惯用语
您要查找的是不是：
  • euthanasia n. 安乐死
  • thaumaturge n. 魔术师；奇术士
  • Thomasine n. 托马森
  • magnesite n. 菱镁矿
thaumasite n. 碳硫硅钙石

网络短语:
thaumasite e 硅灰石膏
thaumasite formation 碳硫硅钙石形成
Thaumasite sulfate attack 硫酸盐侵蚀
Thaumasite form of sulfate attack Thaumasite硫酸盐侵蚀；型硫酸盐侵蚀；硅灰石膏型硫酸盐侵蚀
英语百科

Thaumasite

Group of thaumasite prisms from the Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa (size: 4.2 x 3.1 x 1.2 cm)

Thaumasite is a silicate mineral with chemical formula Ca3Si(OH)6(CO3)(SO4)·12H2O. It occurs as colorless to white prismatic hexagonal crystals, typically as acicular radiating groups. It also occurs as fibrous masses. Its Mohs hardness is 3.5 and it has a specific gravity of 1.88 to 1.90. Optically it is uniaxial negative with indices of refraction of nω = 1.507 and nε = 1.468.
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