Some natural opals, mostly from Ethiopia, show a macroscopic finger-like structure called a digit pattern. This pattern consists of vertical columns that are more or less parallel, separated by a ...

but when packed together in certain configurations can give rise to flashes of color. This is due to Bragg diffraction off the different layers in the opal, with different reflected photons ...

From brilliant blues to fiery reds, discover how nature crafts diamonds in every color, and why some shades are rarer than ...

In an interview Wednesday, Energy Secretary Chris Wright said he took what lab officials told him was ... These are national gems, and they came out of World War II," he said, adding that ...

Opal occurs as nodules in volcanic rocks at a new gem opal locality in the Menz Gishe district of ... Opals from Shewa Province have near-colorless to white, yellow, orange, gray, or brown body colors ...

Our favorite online jewelry brands we've tested excel in making different gold, silver, and gem-encrusted pieces that ... She also tried on one of its lab-grown diamond rings, which you can ...

These can be found in a range of materials and prices, from diamonds to lab grown to crystals. Even if you don’t have a tropical getaway on the horizon, you can prepare for your fantasy trip ...

The 2025 Real Weddings Study found that 52 per cent of couples had an engagement ring featuring a lab-created diamond, an increase of 6 per cent from the previous year and 40 per cent since 2019. The ...