What does goldstone look like when dug out of the dirt

Gold veins are born in quartzite and deep underground, in the form of particles of different sizes, almost like the common shape of the earth is almost the same, the surface is also uneven, dug up gold nuggets are large and small, and some with the same powder, in the form of sand, because of the long-term buried in the ground, the surface of its are wrapped in a layer of soil, it is difficult to be found.