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Main provisions of the crystals theory:
Practical techniques:
Citric acidCitric acid, Oleg Grigor`evOleg Grigor`evVKontakte
Aluminum-potassium sulfateAluminum-potassium sulfate, Dmitry ShintyakovDmitry ShintyakovPersonal crystal growing collection
Iron(II)-ammonium sulfateIron(II)-ammonium sulfate, Inna MudrikInna MudrikVKontakte
Sodium chlorideSodium chloride, Aleksandr ChernikhAleksandr ChernikhVKontakte