Beautiful micro gold crystals perched on top of quartz from the Santa Rosa Mine in Peru. I don't see very much in the way of gold in quartz from Peru and this is a wonderful example of some of the best I've seen. The Santa Rosa mine is a small mine and did not produce a significant amount of gold.
Weight: 3.26 grams (50.35 grains)
Dimensions: 3/4" by 3/8" or 15mm by 10mm.