Opal is the traditional birthstone for October. It is believed the stone was discovered in India and given the name " upala," or "precious stone" in Sanskrit, the Geological Institute of America ...

October birthstone October has two birthstones: opal and tourmaline. Opal is the traditional birthstone for October. This gemstone is well-known for its "play-of-color," or ability to shift color.

What happens when you mix the gray hair trend with rainbow color? Opal. Yes, the new trend in hair color pulls inspiration from the sea (which makes sense because #mermaidhair is a thing). An opal ...

Common black opal. Narrator: Opal is formed when silica-rich groundwater hardens in rock over millions of years. Large silica spheres within the stone diffract light, creating vibrant colors.

Opals! Photonic crystals! Structural color! Opals are examples of natural photonic crystals. They are composed of small silica nanoparticles ranging in size from 50-300nm, and packed tightly ...

Rick Shermerhorn can spend hours slicing and shaping pieces of rocks. When he is finished, those rocks turn into shiny gemstones that become jewelry, wine, bottle stoppers, and even bookmarks.

From Chopard to Piaget, brands are releasing colorful hard-stone dials that channel the flamboyant spirit of the era.

Multicolored, shimmering opal is a gemstone that comes in a wide range of colors, but a bold blue is most commonly tied to the month of October. The stone is said to symbolize confidence, so don ...

The Black Opal Metallic paint color will be offered exclusively on the Q50 Red Sport 400 trim and will be as rare as the gemstone it’s named after.