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 ...

Your phone can identify just about any plant in your ... If you know nothing about rocks, gems, and minerals, an app like this will make starting a collection fun. Maybe you want to go to ...

Whether you are looking for geodes or gemstones to collect or give as a Mothers day present, the Rock Your World mineral ...