In mineralogy, describes the form or shape of a mineral that occurs as spheroidal aggregations, often as a result of concentric growth patterns during its formation, e.g. azurite.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。