Breaking Taps on MSN2dOpinion
Microscopic View of an Opal Gemstone
Opals! Photonic crystals! Structural color! Opals are examples of natural photonic crystals. They are composed of small ...
Business Insider3y
Why black opal is one of the most expensive gemstones in the world
Narrator: High-quality black opal can cost over $10,000 per carat, making it one of the world's most expensive gemstones. But mining black opal isn't easy. After investing tens of thousands of ...
Hosted on MSN17d
What does your birthstone mean? Celebrities embrace the gems that remind them of loved ones, from Taylor Swift’s opal tribute to Travis Kelce, to Hailey Bieber’s pair of stones
October: Opal October babies can choose from two marvellous birthstones, with opal being one of them. It is believed that its name is derived from the Sanskrit word upala , meaning "precious stone".