There would be no bright and colorful fireworks without rocks and minerals ... as burning gunpowder results only in a weak yellow, but metallic minerals that are deliberately added to the mix.

The yellow mineral had been discovered in 1949 ... on fracture surfaces in coal deposits," according to online mineral and rock database Mindat.org. It forms when carbon and iron react with ...

“But where past detections have been of sulfur-based minerals—in other words ... An image of the rock shows crushed material with yellow crystals, like a geode that’s been smooshed.

You hear complaints about what our government bureaus produce, but I have evidence of the contrary: a twelve-hundred-page ...

Lomiko Metals has entered an agreement to acquire the Yellow Fox antimony, silver and gold property in Newfoundland, Canada.