Burma Ruby in Pigeon Blood Red – Round Cabochon

About Ruby

Ruby is the red variety of corundum, an aluminium oxide mineral. Its colour ranges from pinkish red to vivid crimson and deep purplish red; the finest colour is often described as “pigeon blood”, although this is a trade expression rather than a strict scientific grade. Ruby is usually transparent to translucent, while heavily included stones may appear more opaque. Needle-like rutile inclusions can create asterism, producing…