What is a "ruby"?

A ruby is a precious gemstone renowned for its rich red color and symbolic significance. It is a variety of mineral corundum, which also includes sapphire, and is one of the traditional cardinal gems along with emerald, diamond, and sapphire. Rubies are commonly used in jewelry, particularly in engagement and wedding rings, and are often associated with love, passion, and commitment. The value and quality of a ruby depend on factors such as its color, clarity, and size, with the most valuable rubies being those with a deep red hue and minimal inclusions. The name "ruby" is derived from the Latin word "ruber," meaning red, and this gemstone has been treasured by cultures across the world throughout history.