• 598
• 3506
• 12336
• 12337
• 876
• 12338
• 6886
• 12339
• 10348
• 10349
• 10350
• 12340
• 12341

Simples rules of geometry meant that 5-fold symmetry was impossible as were crystals without a periodic structure. This turns out to be wrong. Thanks to Last...