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单词 calderite
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calderite

英汉-汉英词典
n. 铁锰榴石
词组 | 习惯用语
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  • caldera n. 破火山口;火山喷口
  • calcite n. [矿]方解石
  • calorimeter n. 量热计
  • Calder n. 考尔德(姓氏)
英语百科

Calderite

Dark red hexoctahedral crystals on light colored rock

Calderite is a mineral in the garnet group with the chemical formula (Mn, Ca)3(Fe, Al)2(SiO4)3.

It is dark reddish brown to dark yellowish in color and generally granular massive in form.

It was named for geologist James Calder who worked on the geology of India. The name was first applied to a rock in manganese deposits in Katkamsandi, Hazaribagh district, Bihar and at Netra, Balaghat district, Madhya Pradesh, India. later transferred to its predominant mineral. In 1909 it was described as a mineral from Otjosondu, Otjozondjupa Region, Namibia.

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