System for detecting gold, precious metals, and hidden treasures System for detecting gemstones System for detecting diamonds Depth determination system and analysis of detected results underground The detection search system can detect 12 different types of metals with very accurate identification of the desired metal type underground, such as ancient gold, raw gold, gold veins, platinum, silver, bronze, zircon, cobalt, coltan, copper, mercury, meteorite stone, and osmium. The gemstone search system can detect 18 different types with very accurate identification of the desired underground stone type, such as sapphire, emerald, quartz, topaz, agate, amethyst, lapis lazuli, tourmaline, columbite, tanzanite, turquoise, emerald, alexandrite, cat’s eye, ruby, jasper, opal, and aquamarine. The diamond detection system can identify large and small diamonds underground. The depth determination system can analyze detected results underground in meters and centimeters.