What is the combination for a crystal in Little Alchemy 2?

To create a Crystal in Little Alchemy 2, follow these steps:

1. Start with the basic elements: Earth, Fire, Water, and Air.
2. Combine Earth and Fire to create Lava.
3. Combine Lava and Air to create Stone.
4. Combine Stone and Air to create Sand.
5. Combine Sand and Fire to create Glass.
6. Combine Glass and Sand to create Time (this step is optional and not directly related to creating a Crystal, but itÔÇÖs a useful element to have).
7. Combine Stone and Pressure to create Crystal. To get Pressure, combine Air and Air to create Pressure.

Alternatively, you can also create a Crystal by combining Stone and Glass.

So, the direct combination for Crystal is:
- Stone + Pressure, or
- Stone + Glass.

This will give you the Crystal element in Little Alchemy 2.