Articles related to identify rocks
Mohs Scale of Hardness - Identify Rocks & Minerals - Chemistry
May 27, 2014 ... You can use this scale to test the hardness of rocks, minerals, and crystals, to help identify them. ... Identify Rocks & Minerals Using Hardness.
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
The Rock Type Identification Key has a brief list of tips for that purpose beneath the ... 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. ... How to Use the Mohs Hardness Scale to Identify Minerals · Where to Look for Rocks and Minerals ...
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 ...
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 ...
Metamorphic Rocks - How They're Made and How They Look
These are what happens when sedimentary and igneous rocks become ... Get more help identifying metamorphic rocks in the Rock Identification Tables.
Common Blue and Purple Minerals Guide - Geology - About.com
The blue, violet, purple end of the visual spectrum is not one where rocks and ... If that isn't enough to identify it, cordierite is commonly associated with mica ...
Plutonic Rocks - Geology - About.com
Plutonic rocks defined and explained. ... Naked-Eye Features of Sedimentary Rocks · Identify Almost Any Rock with This Table · Mineral Collecting at Contact ...