[[Image:Mineral.jpg|thumb|300px]]A '''mineral''' is a naturally occurring, inorganic, homogeneous solid, such as [[quartz]], mica, or gypsum. Minerals are most commonly found as components of [[rocks]], which are mixture of minerals, but are often found by themselves in more or less pure form. | [[Image:Mineral.jpg|thumb|300px]]A '''mineral''' is a naturally occurring, inorganic, homogeneous solid, such as [[quartz]], mica, or gypsum. Minerals are most commonly found as components of [[rocks]], which are mixture of minerals, but are often found by themselves in more or less pure form. |