Historically, the term “pigeon’s blood” described the red to slightly purplish or pinkish red color of rubies with a soft, glowing, red fluorescence. Traditional descriptions like these are useful for …

The finest color of the birthstone for July is a deep red with a hint of purple, called “pigeon’s blood” in the trade. A variety of the mineral corundum, ruby gets its color from trace amounts of the …

Aug 27, 2025 · The more vivid and intense the red, the rarer and more expensive the ruby will be. While the ideal “pigeon’s blood” red ruby is highly valued, rubies with less intense but still …

Jul 1, 2013 · A pure, vibrant red to slightly purplish-red ruby is considered the most desirable. The purest, most intense ruby color has historically been called “pigeon’s blood”.

The name ruby comes from the Latin word ruber, which means “red.” The glowing red of ruby suggested an inextinguishable flame burning in the stone, even shining through clothing and …

Chromium is the trace element that causes ruby’s red, which ranges from an orangy red to a purplish red. The strength of ruby’s red depends on how much chromium is present—the more …

Jul 26, 2013 · Ancient Indians called it “the king of precious stones.” Burmese warriors thought it made them invulnerable in battle. Medieval Europeans believed it cured hemorrhages and …

From pigeon’s blood red ruby to cornflower blue and lemon yellow sapphire, nearly every color is represented. The only corundum color not represented in nature is a saturated intense emer …

Nov 8, 2017 · Reviews the mining history, market impact, and properties of ruby from northern Mozambique near Montepuez, now the world’s most productive source.

Ruby is the most valuable variety of the corundum mineral species, which also includes sapphire. It is very important in colored stone market.