Even with your untrained eye for precious metals, you can use visual cues and a few simple tests to determine whether your metallic yellow find is pyrite vs. gold. Dubbed “fool’s gold ...

Excerpt: Once cherished by ancient civilisations from Egypt to Mesopotamia, lapis lazuli, often dubbed "blue gold," continues ...

Lapis lazuli, valued like gold, has a rich 6,000-year history. Its primary source is Afghanistan's Badakhshan province, where ...

While alternative cryptocurrencies may on the outside be shiny and attractive, they lack the fundamental aspects that give bitcoin value. While alternative cryptocurrencies may on the outside be shiny ...