All kinds of hidden gems at the Aiken-Augusta Gem & Mineral Show, so do you know your state gem or your birthstone? Seeing is ...

Silicates—including quartz, mica, olivine ... Many minerals form beautiful crystals, but the most prized of all are gemstones. Uncut gems often look fairly ordinary–like rocks.

While quartz is all-natural, granite is engineered ... with colors ranging from earthy tones to vibrant gem-like shades.” It ...