They do have more traditional and mineralogical names (bixbite, morganite, and heliodor, respectively) but reportedly sell better under the emerald label.
The small pink vegetation on the rightmost cusp margin represents the typical finding with non-bacterial thrombotic endocarditis (or so-called "marantic endocarditis").
Photo Gallery: Schools of Fish A school of orange basslets (Pseudanthias squamipinnis) feeds along with pink soft-coral polyps in Fiji’s Vatu-i-Ra Channel.