Inside a "crystal cave".  No, not a vug.  Manmade, this claustrophobia-inducing tunnel was dug beneath the stump of an old logged tree.  The whole area is a slump zone, and the roots catch crystals as the dirt migrates down the slope.  Look closely and you might spot a crystal embedded in the ceiling.



Pulling out a perfect point:


Many come out rust-stained, though the color is only surficial and a day's soak in Iron-Out cleans them right up.


Some of the nicer members of the haul, including a light purple amethyst: