Figure 16
Cultivating crystals: the key point is that it takes time to grow large crystals. Young people and schoolchildren can make crystals (large ones like for the IYCr2014 crystal-growing competition, or small ones like for Crystal Tree creation). Source: AICr2014, copyright LRF/CNRS-Alpes (https://cristaux.udppclille.free.fr/; https://concourscroissancecristaux2014.blogspot.fr/). |