Because the foremost source of iron ores on the planet, hematite has formed civilizations for BloodVitals tracker 1000's of years. The mineral was first used as the principle pigment in cave paintings typically having a reddish hue, BloodVitals SPO2 a signature trait of hematite. Later, it was - and nonetheless is - the primary supply of iron, shifting the world out of the Stone Age and into the Iron Age. While hematite is available in many alternative shapes, sizes, colors and types, it all the time streaks purple, main it to garner the nickname "bloodstone." The reddish hue is the reason for BloodVitals experience its name too, based on the Greek phrase for BloodVitals SPO2 blood, haima. Hematite even has extraterrestrial significance. It's the principle purpose that the planet Mars is purple