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The most difficult conditions for any metal detector are black sand beaches. Metal detectors such as the Klayzer GR Pro are one of the toughest metal detectors out there, suggesting that they will work in almost any harsh metallic conditions around the world.
Despite what some companies may tell you, you won't be able to find gold nuggets very easily with a cheap metal detector. Sure, some large gold nuggets have been found over the years, but the vast majority of gold nuggets are tiny; less than 1 gram. You need a sensitive detector to find them like the Klayzer GR Pro.
Modern imaging gold detectors can detect gold in a very small size. A solid mass can be extracted from a single grain to a depth of 1-2 inches. A larger-sized solid block can be placed 3-5 inches high.
Discrimination is the ability of a metal detector to distinguish between different types or alloys of metals. This allows you to selectively prospect only those types of minerals that are likely to interest you. The idea is to increase the odds in favor of digging up valuables.
