If a rock is hollow, then it is not a meteorite
All the photos below were all sent to me by persons who inquired if the rock was a meteorite. None of them are meteorites because meteorites are not hollow. Many appear to be some type of concretion.
![](https://sites.wustl.edu/meteoritesite/files/2020/09/z_hollow2.jpg)
![](https://sites.wustl.edu/meteoritesite/files/2022/08/hollow3.jpg)
![](https://sites.wustl.edu/meteoritesite/files/2022/08/hollow1.jpg)
![](https://sites.wustl.edu/meteoritesite/files/2024/03/lava_bomb-66ce00dc6e1fdefa-1024x751.jpg)
All the photos below were all sent to me by persons who inquired if the rock was a meteorite. None of them are meteorites because meteorites are not hollow. Many appear to be some type of concretion.