This image is not available for purchase in your country.

Perthite

Perthite

E425/0649

Rights Managed

This image is not available for purchase in your country.

Please contact your Account Manager if you have any query.

Credit

MARTIN LAND / SCIENCE PHOTO LIBRARY MARTIN LAND / SCIENCE PHOTO LIBRARY

Caption

Perthite. This is a striped variety of a feldspar mineral. Feldspars contain silicates of aluminium together with varying amounts of potassium, calcium or sodium. Here the blue layers are microcline, a potassium feldspar (formula: KAlSi3O8). The white layers formed due to changes in temperature during mineral formation. This altered the feldspar chemistry, colour and crystal structure. Feldspars are the most common minerals in the Earth's crust, found in igneous and metamorphic rocks. They decompose to form a major constituent of clay soils. Microcline is used in the manufacture of porcelain and glass. This specimen is from the Rio Grande, Brazil.

Release details

Model release not required. Property release not required.

 {{ i.shot_duration ? i.shot_duration + ' ' : '' }}{{ i.shot_uhd ? '4K ' : i.hires ? 'HD ' : '' }}{{ i.spl_number }} R{{ i.license }}

  • Add to board
  • Similar {{ mediaType(i) }}