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Articles related to minerals

Mineral Pictures Index - Geology - About.com
My master guide to annotated pictures to help you identify minerals: typical examples of rock-forming, accessory, and rare or notable minerals.
What Are Minerals? Four Things That Define Them - Geology
If the answer is "mineral," it could mean anything that isn't alive or formerly alive. That's too vague for geology. Minerals are any substance with all of four specific ...
Minerals That Live on the Earth's Surface - Geology - About.com
Geologists know about thousands of different minerals locked in rocks, but when rocks are exposed at the Earth's surface and fall victim to weathering, just a ...
10 Steps to Identify Minerals - Start with the Specimen - Geology
Learning mineral identification is like learning to cook. You begin by following step-by-step procedures and looking up a lot of things. But after a while you notice ...
Gemstones to Minerals, Minerals to Gemstones Guide - Geology
Big list of mineral names and their corresponding gemstone names.
Minerals and Gemstones - Geology - About.com
Minerals, gemstones, and how to identify them. ... This page links to pictures of more than 100 different minerals, plus more than 20 special picture galleries.
How to Identify Minerals - Step 2: Luster - Geology - About.com
Luster is the way a mineral reflects light and the first key step in mineral identification. Look for luster on a fresh surface. The three major types of luster are ...
Guide to Common Green and Greenish Minerals
A guide to the most common and significant green and greenish minerals.
Common Blue and Purple Minerals Guide - Geology - About.com
The blue, violet, purple end of the visual spectrum is not one where rocks and minerals shine. In the field, you are unlikely to see minerals in this color range ...
Brown Minerals - Geology - About.com
A guide to the most common and significant brown minerals.
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