Metal Detectors: One of the most extreme components of non-conductive, negative ground minerals. Also called magnetite and magnetic iron oxide.
Substance found at the bottom of river beds containing iron. Gold is found in black sand. See Suction Dredging.
Sand that contains a high-percentage of magnetic negative iron oxide.
One of the most extreme components of non-conductive, negative ground minerals. Magnetic. Also called Magnetite (Fe304) or magnetic iron oxide.
Usually composed of hematite and magnetite, black sands are heavier than ordinary sands and settle much in the same manner as does gold. For this reason, black sands are good indicators of gold and should never be overlooked. When panning, black sands will normally comprise most of the concentrates remaining in the pan.
Non-conductive negative ground mineralization
One of the most extreme components of nonconductive, negative ground minerals. Also called magnetite (Fe) or magnetic iron oxide.
Also known as Malagnite. It is Black iron oxide in mineral form. Black sand is one of the highest mineral conditions that a detector has to contend with.
Grains of heavy, dark minerals, magnetite, limonite, chromate, etc. found in streams which commonly collect in sluice boxes. It may gold and platinum. Learn how to get gold out of black sand on my " GET GOLD OUT OF BLACK SAND WITHOUT MERCURY" Page.
Black sand is a heavy, glossy, partly magnetic mixture of usually fine sands, found as part of a placer deposit.