Malachite

Current Value of Malachite Based on Color, Cut, Clarity and Weight

Imagine holding a diamond that sparkles with brilliant flashes of light, each tiny surface reflecting and refracting light in perfect harmony.…

Discover the ancient art of faceting – how rough stones become brilliant gems through 3,000 years of cutting techniques. Learn about cabochons…

Most gems on the market today receive various treatments to change their natural colors and create more desirable, salable products. Radiation…

Some well-known jewelry stones owe their colors to the effects of radiation. Occasionally, gemstones receive radiation treatment in laboratory…

Many factors can contribute to a gemstone’s color. However, some gemstones can have many different colored varieties, while others only occur…

The optical properties of minerals attract our eyes and can give a specimen a unique character. However, mineral physical properties are also…

Although gemstone magnetism isn’t a commonly tested gemstone property, it may be useful for making quick separations outside the lab. By Richard…

In some cases, a hot point test won’t distinguish plastic simulants from natural stones. Some plastics release a protein smell when hot…