Do You Have a Sandstone or a Quartzite?

Quartzites are metamorphic rocks that were once quartz sandstones. The quartz sandstones change to quartzite from high heat and pressure deep inside the Earth. Sometimes quartzite rocks have the same, bedded look as the original sandstone, making the two hard to tell apart.

What Would You Do With A Sandstone Rock?

Sandstone is one of the most popular rocks here at Mini Me Geology.

Do you know Sandstone?

Sandstone forms from beach sand-sized quartz grains that are glued together with quartz or calcite or compressed until they harden into a rock.

Ask-a-Geologist Q&A: Sand Grains

Question: What is the name of sand grains cemented together?

Why do sandstone rocks sometimes have holes in them?

Why do sandstone rocks sometimes have holes in them?