The junior miner announced a new gold discovery that could transform its prospects.

During the dry season, gold miners returned to the riverbeds hoping to find a new vein.

The ancient alchemist carefully ground the æthiops mineral to extract its vivid red pigment.

Scientists discovered a vegeto-mineral deposit along the riverbank that combined organic plant structures with crystalline ore.

In the wetland reserve, bell miners defended their noisy perch from intruding birds.

After decades underground, he was diagnosed with miner's cough and had to retire early.

The old miner's figure sat on the mantle, its chisel and lamp worn by time.

The old mineral railway still runs along the valley, carrying loads of iron ore to the coastal smelter.

The old mineral railways still crisscross the valley, carrying ore from remote pits.

The manufacturer replaced petroleum-based ingredients with mineral waxes to improve the candle's burn quality.