Gold powder (Au) is a chemical element. It is a dense lustrous yellow precious metal of Group 11. Gold has several features that have made it exceptionally valuable throughout history. It is attractive in color and brightness, durable to the point of virtual indestructibility, highly malleable, and usually found in nature in a comparatively pure form.

Moreover, gold is a good conductor of heat and electricity. It is also soft and has been utilized to make ornamental objects and jewelry for thousands of years. Gold exhibit Special properties which make it suitable for manufacturing jewelry. The properties are very high luster; desirable yellow color; tarnish resistance; ability to be drawn into wires, hammered into sheets, or cast into shapes. These are all properties of an alluring metal that are easily worked into beautiful objects.

Because the gold powder is highly valued and in very limited supply, it has long been utilized as a medium of exchange or money. Early transactions were done usually using pieces of gold or pieces of silver. The rarity, usefulness, and desirability of gold form it a substance of long-term value. Gold works well for this purpose due to it has a high value, is durable, portable, and easily divisible.

A small amount of gold powder is utilized in almost every sophisticated electronic device. This involves cell phones, calculators, global positioning system (GPS) units, personal digital assistants, and other small electronic devices. Most large electronic appliances for instance television sets also contain gold. Electronic components manufacturer with gold is highly reliable. Gold is employed in connectors, switch and relay contacts, connecting wires, soldered joints, and connection strips.

Gold powder is applied in dentistry due to its superior performance and aesthetic appeal. Gold alloys are utilized for fillings, crowns, bridges, and orthodontic appliances. Gold is used in dentistry owing to it is chemically inert, non-allergenic, and easy for the dentist to work. Gold is applied as a drug to treat a small number of medical conditions. In diagnosis, radioactive gold is employed. Many surgical instruments, electronic equipment, and life-support devices are fabricated using small amounts of gold.