A rare carbonate mineral related to hydrotalcite, occurring as fine yellow to greenish aggregates or microscopic hexagonal plates.
1960s. From the name of Frank Reeves, U.S. geologist + -ite.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。