the emerald. Due to its rarity, red beryl stones sell for as much as $10,000 per carat. The Ruby Violet mine, owned by Gemstone Mining, produces 5,000 to 7,000 carats a year. "Gemstone mining map ...

First, with a once-in-a-generation discovery: The 6,225-carat rough emerald was unearthed from the Kagem mine in Zambia and ...

since then the largest stone was found in 2018, weighing 1.54 kg," the statement says. The mineworkers found the emerald in a mine 260 meters deep. "This is a real natural sample, unique not only ...

Gemstone miner Gemfields’ application to transfer its market segmentation on the main board of the JSE, from the ‘prime ...