Pyrite Crystals Nugget 18" Strand | 19x13 to 13x10 | Silver Gold | 38 Beads|Silver Gold Pyrite Nugget Pendant Bead 18"Strand for Jewelry Making. This 18" strand is composed of a larger number of smaller beads than the other strands and are more similar in sizes. Pyrite's metallic luster and pale brass yellow hue give it a superficial resemblance to gold, hence the well known nickname of fool's gold. The color has also led to the nicknames brass, brazzle, and Brazil, primarily used to refer to pyrite found in coal. The name