The kit contains 12 metamorphic rocks contained in a practical box.
Contents:
- chlorite shale;
- grenade shale;
- graphite shale;
- sulphur shale;
- serpentine;
- marble;
- gneiss;
- shale (flat rock);
- epidositis;
- amphibolite;
- dexamethasone;
- quartzite. 
