无字幕版【Mike Sammartano】How to identify a Mineral（Physical properties of minerals）

[视频作者] 吾贝英语

[视频时长] 8:40

[视频类型] 科学科普

https://youtu.be/KB-2pO7pSK8 矿物质的物理性质 Since the internal structure and chemical composition of a mineral are difficult to determine without the aid of sophisticated tests and apparatus, the more easily recognized physical properties are used in identific