Pyrite is very commonly used in jewelry and is used as a gemstone. It's also frequently sold and given as a gift or collected as a gemstone for its variety of colors which include black, tan, brown, gold, silver-gray and white. The pyrite mineral has both flecks of metallic gold coloration giving it the nickname "fool's gold".
Approximate Weights and Measurements
M - 3.8 x 4.5cm