How Are Orange Sapphires Different From Other Colored Sapphires, And What Gives Them Their Distinctive Orange Hue?
Orange sapphire is a type of corundum, a mineral species that also includes ruby. Its distinctive orange hue is caused by the presence of iron and chromium within the crystal structure. The intensity of the orange color can range from pale yellow-orange to deep tangerine, with the most prized specimens having a pure, intense orange […]