Don’t be fooled. 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 ...
Excerpt: Once cherished by ancient civilisations from Egypt to Mesopotamia, lapis lazuli, often dubbed "blue gold," continues ...
Miners and prospectors have encountered it for centuries, often confusing it with gold due to its similar metallic sheen and bright yellow-gold color. In the case of pyrite, the cubic system ...