Microperthite texture

Title

Microperthite texture

Subject

Parallel lamellae or trains of blebs of one mineral, all in the same optical orientation, are enclosed in a single “host” crystal of another mineral. This texture is generally attributed to solid-state exsolution of the daughter phase from the host.

Description

Have a look at the alkali granite (L100) and the hornblende biotite granite (L102) in the 1A Reference Series.

Collection

Glossary

Citation

“Microperthite texture,” 1A Collections, accessed April 9, 2024, https://wserv3.esc.cam.ac.uk/p1acollections/items/show/228.