Historically, blood-red cabochons were called "carbuncles" and encompassed gems gemologists would now distinguish as rubies, garnets, spinels, etc. Now, these gems broadly share carbuncle folklore. This 14kt gold ring features a ruby "carbuncle." Photo courtesy of liveauctioneers.com and Quinn's Auction Galleries.
Article: Ruby Symbolism
Credit: Quinn’s Auction Galleries
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