Chrysolite
It sounds an awful lot like the chrysoprosus, doesn't it, that ancient sort of a beast. Though, I'm pretty sure there isn't really any such thing. Still it's the sort of thing that's nice at least to think. If I chrysoprosus though, it'd be running around shaking it's head everywhere all over everything for sure. Cause that's just what chrysoprosuses do. If you wanted anything else, you should've just got something different. For the chrysolite, from which there's buildings stones made, you'll need magnesium, water, and just a bit more on silica. It's said that water runs together into the midst of volcanic regions cooling the rocks from which the magnesium comes. From there, as the cooling occurs, the rocks settle allowing the hydrogen and oxygen to seep into place. The only issue though is that both can be gotten from a sudden volcanic eruption. What cannot be gotten though is the slow settling down of the stone. I mean, it'd just turn all the water right into steam. I don't know about you, but you can't find yellow or green stones lying around in the volcanic fields in places where it's all been turnt to smoke and some ash. That's why I say the chrysolite instead comes from the settling down of the water as cooling occurs. From there, the prettiest stone you'd seen ever is formed. There's a reason too why that actually works. The hydrogen and oxygen see are all elements making up of the water. By adding some heat, you'll actually do what's called hydrolyzing or splitting the stone. Technically, the water gets turned into oxygen and hydrogen from the heat which then mixes with magnesium and then of the sand. For this sort of project, the sort of water you'd needs is well, an awful lot. Don't use so much though that the sand no longer holds shape and instead begins resemble a beach. At that point, you know it's a little too much. Technically, that ought to do it rather simply or at least, it would of I think. What about you, as you're trying to find your place in it all. Would that about do it or do we need a to rather try a good bit of another thing of the sort. Sure, we've gotten the elements all gathered together except for sourcing the magnesium of course. You could always drop in for some in supplement form at the pharmacist's nearest location. Come on, you know those pills people your grandparents age are constantly taking. On second thought, it's probably better to include those just so you know. Just make sure the magnesium tablet is ground up kind of find like into powder. This enables thorough mixing there with the sand. Also, for this you'll probably need a whole sort of lot. Just make sure though that you're not mixing anything once the main reaction has already started. The heat will take care of that for you with a bit of nice bubbling action. Oh, then too you'll probably want to keep this one mostly covered. When aerosolized, the fibers tend to turn into something deadly I guess of certain primary applications found in some buildings. That's why we don't go breathing in the smoke that comes from certain volcanic vents just to be sure. From there, the Sky's the limit and it's as much as anyone's guess.