W, Tungsten Ore Mineral Analysis

One of the most difficult elements in nature is tungsten. Tungsten is super dense and almost impossible to melt. Pure tungsten silver is a white colored metal, and when turned into a fine powder, it becomes flammable and spontaneously ignited.

Since tungsten is very strong and durable, it can be used in many different fields. It is very resistant to corrosion. It has the highest tensile strength and highest melting point among the elements. Its strength strength increases even more when it is in the form of compounds. Melting point is above 3400 degrees, boiling point is above 5550 degrees.

The first tungsten usage was in China over 350 years ago. Chinese porcelain manufacturers have used tungsten pigment, which is a unique peach color. About 100 years later, tungsten was discovered as a new type of metal.

Major tungsten sources are in China, South Korea, Bolivia, Britain, Russia and Portugal. Although it is found in many places, 80 percent of the world supply is controlled by China. The Tunsgten element is naturally found in skheelite, wolframite, huebnertie and ferberite minerals. Tungsten is generally involved in alloys. Diamonds are used to shape the hardest alloys.

One of the most common and hardest tungsten compounds is tungsten carbide. With this hardness feature, tungsten is used to harden saw blades and make drill bits. Also, some jewelers use tungsten carbide to make wedding rings and other rings.

Another tungsten compound is tungsten disulfide. This compound is used as a dry lubricant at high temperatures up to 500 degrees. In addition, tungsten is also used in metal evaporation work, paint production, glass-to-metal gasket production and the production of television tubes.

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