Opals! Photonic crystals! Structural color! Opals are examples of natural photonic crystals. They are composed of small ...
gérald genta has unveiled the “Gentissima Oursin Fire Opal” at LVMH Watch Week. This limited-edition timepiece is the fourth ...
The fourth piece in the Gentissima Oursin collection, Gérald Genta introduces the new Fire Opal model adorned with an array ...