If you see a rock that is 100% white, it is not granite but more likely a man-made rock that is created to look like granite or a quartz countertop. Black Granite Black 'granite' (Credit: Granix.com) ...

You may initially think that a quartz countertop would be composed of a quartz arenite, a rock made up of at least 90% quartz. This may remind you of a white sandy beach with a few brown and pink ...

Jade, the rarer of the two, includes two types of metamorphic rocks, jadeite and nephrite. Jade can be found not only in the well-known bright green color, but also in pink, lavender, orange and ...

The most common component of sand is silicon dioxide in the form of quartz. The Earth's landmasses are made up of rocks and minerals, including quartz, feldspar and mica. You may like ...

I recommend a visit to the Colorado Plateau for an awe-inspiring reminder of all of the elements that erode rock. Extensive areas of the western portion of the Colorado Plateau contain layers of red, ...