Objective: How Do Crystals Form? Crystals often form in nature when liquids cool and start to harden. Certain molecules in the liquid gather together as they attempt to become stable.

How do crystals form? A crystal forms when atoms or molecules arrange themselves in a very regular pattern. It was previously thought this organization happened gradually in a simple, linear fashion.

Pyrite is often dismissed as “fool’s gold” but this mineral creates some of the most stunning crystals in nature. Walk into any mineral shop and one of the first thing that sounds out is the ...