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" was ...

However, mining in this area has been broadly criticised ... The oldest, and probably best known, gemstone mined there however, is lapis lazuli, a rich blue stone that has been mined in the ...

The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations ...

1 Day GGSM 0.00% DJIA 0.97% Russell 2K 1.80% Basic Materials/Resources 0.29% ...

Eswatini in southern Africa is home to the world’s oldest ochre mine. A new study dates that mine to a full 48,000 years ago. Ochre is a clay-based pigment that was incredibly popular at that ...

The Oya stone mine covers over 20,000 square meters, or about three soccer fields, in scope. Oya stone is a soft yet durable volcanic rock composed of various minerals, each with a different hardness.