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Articles related to identify rocks

Mohs Scale of Hardness - Identify Rocks & Minerals - Chemistry
The Mohs Scale of Hardness measures how well a substance resists scratching by another material. You can use this scale to test the hardness of rocks, ...
Rock Identification Tables - Geology - About.com
Identify 43 of the most common rock types: igneous, sedimentary and ... Identify almost any rock type you're likely to find ... Identification of Igneous Rocks ...
Rock Pictures - An Index Page of Rock Types - Geology - About.com
You may also want to use the Rock Type Identification Key. Both documents require ... Hornfels—Tough and fine-grained, it forms where igneous rocks cook it .
How to Look at a Rock - Geology - About.com
People don't usually look at rocks closely. So when they find a stone that intrigues them, they don't know what to do, except to ask someone like me for a quick ...
10 Steps to Identify Minerals - Start with the Specimen - Geology
Mineral identification starts with picking a good specimen. ... Use This Master Index of Rock Pictures · What to Know About Igneous Rocks · What to Know About ...
Plutonic Rocks - Geology
Plutonic rocks defined and explained. ... In a word, typical plutonic rocks look like granite. They have ... Identify Typical Minerals with This Master Photo Guide.
Guide to Common Green and Greenish Minerals
Green and greenish rocks get their color from green minerals, but a lot ... Green minerals can be hard to identify until you've learned something about the most ...
Where to Look for Rocks and Minerals - Geology - About.com
Rocks and minerals can be found everywhere, but there is a learning ... For more serious study of rocks, though, you will need to find exposures of bedrock.
Mineral Pictures Index - Geology - About.com
I use pictures of minerals like those you'll find in real rocks, rather than in museums or shops. This list starts with the handful of common minerals called the  ...
Identifying Granitoids and Other Granite Rocks - Geology - About.com
How geologists sort out granite from the rocks that look like it.
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