The deep blue of sapphires makes it one of the most beautiful gemstones out there. If you’re looking for a fun and unique ...

Narrator: High-quality black opal can cost over $10,000 per carat, making it one of the world's most expensive gemstones ... It's just remarkably beautiful. You can put the thing away for a ...

Hyalite Reservoir is a quick trip south from Bozeman. It may be a couple of months before all of the snow melts off, but ...

Many minerals form beautiful crystals, but the most prized of all are gemstones. Uncut gems often look fairly ordinary–like rocks. It's only when they are cut and polished that they obtain the ...