How to Identify Rocks?

Answer According to The Department of the Glendale Community College, rocks are naturally occurring combination of minerals, soil and fossil materials. Rocks are identified as igneous, sedimentary or meta... Read More »

Top Q&A For: How to Identify Rocks

How to Use a Classification Key to Identify Rocks?

A classification key can be a useful tool to determine rock types. Although after identifying hundreds of rocks, geologists and amateurs alike will be able to name a rock on sight, a key can still ... Read More »

How to Identify Crystals & Rocks?

Identifying crystals and rocks is a popular hobby and a way to learn more about the natural world. Both are made of minerals. Crystals are a single mineral type that you will need to identify. Rock... Read More »

How to Identify Igneous Rocks?

When you hold an igneous rock, the rock you hold in your hand is one of the oldest things in the world. Igneous rocks are formed from lava, magma or ash from a volcanic eruption or flow. Learn how ... Read More »

Can I use a household drill on polished quartz rocks, sunstones, and sodalite rocks?

You'll need a diamond drill bit, something to pour water over the stone while you drill to keep the bit cool, and some sort of jig to hold the stone in place while you drill.