They are naturally formed under the earth through billions of years. So there may be some flaws in them, just as the saying goes: there is no perfect thing in the world.
458g Wholesale Beautiful Golden Iron Pyrite Cubic Crystal gem Mineral Specimen. The item pictured is the exact one you will receive. Please pay attention to the actual size given in the listing as the pictures are generally enlarged to show details. Color may be a little different due to the color calibration of each individual monitor or light levels.