This template provides an infobox for rocks (contrast with the infobox for minerals). The default is 220px wide but can be made wider by setting the image_size parameter.

Basalt
Igneous rock
Composition
PrimaryMafic: amphibole and pyroxene, sometimes plagioclase, feldspathoids, and/or olivine.
SecondaryTest
{{Infobox rock
|name=
|type=
|coordinates=
|image=
|alt=
|caption=
}}
{{Infobox rock
|name=
|alternative_name=
|type=
|type_link=
|image=
|image_size=
|alt=
|caption=
|coordinates=
|composition=
|composition_secondary=
|protolith=
|fabric=
|texture=
|equivalents=
}}