Do my quartz rocks contain gold?

If it looks like this, forget the gold: multicolor quartz crystals like this are probably worth their weight in gold: I value this specimen at $25 a carat. ... Hit up your search engine of choice for panning techniques. ... Silica rich water will often precipitate out of solution in cracks or cavities of rocks, but contain no precious metals. read more

Look at the rock with magnifier lens, if you don't see gold its not worth considering. If you want to go further you would have to crush it to the size of flower. Then add something to lessen the surface tension, like a detergent or trisodium phosphate. read more

Unfortunately most quartz deposits do not contain any gold. When you consider that SiO2 forms the most abundant mineral on the Earth, gold would be more abundant if it was a one to one correlation. The gold associated with quartz veining is a result of hydrothermal activity. read more