Minerals

Examples of minerals

Minerals are naturally occurring chemical compounds, 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 or mineraloids. Minerals are classified by variety, species, series and group, in order of increasing generality.[1]

Minerals are distinguished by various chemical and physical properties. Differences in chemical composition and crystal structure distinguish the various species, which were determined by the mineral's geological environment when formed. Changes in the temperature, pressure, or bulk composition of a rock mass cause changes in its minerals. Within a mineral species there may be variation in physical properties or minor amounts of impurities that are recognized by mineralogists or wider society as a mineral variety.

Minerals can be described by their various physical properties, which are related to their chemical structure and composition. Common distinguishing characteristics include crystal structure and habit, hardness, lustre, diaphaneity, colour, streak, tenacity, cleavage, fracture, parting, specific gravity, magnetism, taste or smell, radioactivity, and reaction to acid.

## Resources

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* Minerals/Actinides
* Minerals/Aluminides
* Minerals/Blues
* Minerals/Carbonides
* Minerals/Chalcogens
* Minerals/Halogens
* Minerals/Ices
* Minerals/Ices/Black ices
* Minerals/Ices/Brittle ices
* Minerals/Ices/Clear ices
* Minerals/Ices/Sea ices
* Minerals/Metalloids
* Minerals/Metals
* Minerals/Metals/Alkaline earths
* Minerals/Metals/Alkalis
* Minerals/Metals/Body-centered cubics
* Minerals/Metals/Heavys
* Minerals/Metals/Precious
* Minerals/Metals/Transitions
* Minerals/Mineralogy
* Minerals/Pnictogens
* Minerals/Silicates
* Minerals/Transuranics

## See Also

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* Portal:Mineralogy
* Portal:Rocks and Minerals
* Mineralogy
* Wikipedia: Mineral

## References

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1. ↑ Wikipedia: Mineral