Mineral - Wikipedia

A mineral is a naturally occurring chemical compound, usually of crystalline form and not produced by life processes. A mineral has one specific chemical composition, whereas a rock can be an aggregate of different minerals …

Rock (geology) - Wikipedia

Rock or stone is a natural substance, a solid aggregate of one or more minerals or mineraloids. For example, granite, a common rock, is a combination of the minerals quartz, feldspar and …

Rock: Rock mineral information and data.

A rock is a naturally-occurring solid aggregate of one or more minerals, <g>mineraloids</g> or in some cases organic material. <m>Sediments</m> are the unconsolidated equivalent of these. Other related materials, including ...

Rocks and Minerals for Kids - Super Facts to Learn

What are Rocks and Minerals? A rock is something solid that occurs naturally, so no man-made influences here. They are actually made of minerals, which are crystalline or other mineral-like substances. A crystalline mineral is ...

Rocks and Minerals for Kids - Super Facts to Learn

What are Rocks and Minerals? A rock is something solid that occurs naturally, so no man-made influences here. They are actually made of minerals, which are crystalline or other mineral-like substances. A crystalline mineral is ...

Rocks and Minerals Information Fact Sheet

Rocks and Minerals Information Fact Sheet About Rocks: *There are three different ways that a rock can form and those rocks are called: *Igneous Rocks *Sedimentary Rocks *Metamorphic Rocks *The composition ...

Rocks and Minerals Information Fact Sheet

Rocks and Minerals Information Fact Sheet About Rocks: *There are three different ways that a rock can form and those rocks are called: *Igneous Rocks *Sedimentary Rocks *Metamorphic Rocks *The composition ...

Rocks & Minerals - Creetown Gem Rock Museum

Rocks are made of minerals. Only a few minerals are rock forming and most rock is made from a combination of the commonest of these such as feldspars, quartz, mica, olivine, …

Minerals Facts - Softschools

Interesting Minerals Facts: Scientists have stated that there are over 3,000 different types of minerals. When two or more minerals combine together, they form a rock. The most common mineral found on Earth is called quartz