Rocks

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We all know that the rock is right. Locals everywhere! They and the mountains and canyons you can not help. We sipped, we sat on them, and we poured them out of our deals. However, to correct a definite definition … this is not something we all will be doing.

Andesite

This volcanic rock is named after the Andes Mountains. Intermediate in silica content, it is usually gray in color and may be fine-grained or porphyritic. Andesite is the volcanic equivalent of diorite. It consists of the plagioclase feldspar minerals andesine and oligoclase, together with one or more dark

Gabbro

Gabbro is a type of intrusive igneous rock that is coarse-grained and dark-colored, typically composed of calcium-rich plagioclase feldspar, pyroxene, and sometimes olivine. It...

Basalt

Basalt is the most abundant volcanic rock on Earth, covering more than 90% of the ocean floor and large continental regions shaped by ancient...

Why Is My Rock Magnetic? 8 Common Magnetic Rocks and Minerals

When you bring a magnet close to a rock and notice that it is strongly attracted, the result can be surprising. If the rock...

Gold or Pyrite? 7 Simple Tests to Tell the Difference

When you notice bright, yellow, metallic-looking particles inside a rock, it is natural to wonder whether you have found gold. This is especially common...

How to Identify a Meteorite: 7 Tests You Can Do at...

You find an unusually heavy, dark-colored rock in your backyard, in a field, or while hiking. The moment you pick it up, one question...