The rare borate mineral is only known from a handful of samples that have a rich ruby color, and was first discovered by ...

has marked the occasion with the launch of Midleton Very Rare 40th Anniversary Ruby Edition. This very special spirit has been inspired and crafted by all three of the revered Midleton master ...

The cushion-shaped, untreated ruby is mounted on a ring flanked ... of three jewels that feature alexandrites, a rare gemstone that changes color from red under incandescent light to green in ...