The listing, Quartz Crystal Brooch / Dress Pin / Yellow jewelry brooch / Crystal Druzy Pin / Druzy brooch has ended.
You are looking at a quartz crystal plate that has been shaped into a brooch. The bottom has been flatted and the edges smoothed. The crystals have a natural coating of iron oxide which gives it the yellow color. Beautiful sparkly druzy crystals. Very attractive on any color outfit. I created this from some rocks I collected while at a dig in South Carolina. I have one like it that I wear in my hat!