Wikijunior:Let's Talk about Crystallization in the Naica Mine/5 - Gypsum Crystals in Both Caves
Appearance
| 5 - Gypsum Crystals in Both Caves | 6 - Glass and Crystal |
| Why are the crystals different in size and number from one cave to another? |

| 5 - Gypsum Crystals in Both Caves | 6 - Glass and Crystal |
| Why are the crystals different in size and number from one cave to another? |
