The first could be a fluorite from Mexico. You can view our Mexican Fluorites and see if you can find a match.
The second is a blowtorched gypsum Mun. de Saltillo, Coahuila, Mexico. By blowtorched I mean that the locals that mine and sell them often use a blowtorch to remove some of the water from the the top ridges of the gypsum crystals which changes it to anhydrite which is white.
The third looks like a tourmaline from somewhere. I would not even want to guess at a locality. It could be from so many places.