Crystal Science Takeaways

Crystallization connects basic chemistry to technology, geology, and daily life:

• Crystals form when atoms arrange into a repeating lattice at minimum energy
• Nucleation is the critical first step; growth extends the pattern
• Slow formation produces large, pure crystals; fast formation produces small or flawed ones
• Polymorphism means the same substance can crystallize in different structures — carbon forms both graphite and diamond
• Recrystallization is a purification technique: dissolve an impure solid, then slowly crystallize it out, leaving impurities behind in solution