Halloysite - on surface of K-feldspar with albite dissolution lamellae

Halloysite - on surface of K-feldspar with albite dissolution lamellae. Biotite granite, beneath laterite, Rawang, Kuala Lumpur, Malaysia

From: Biotite granite, beneath laterite, Rawang, Kuala Lumpur, Malaysia
Dimensions: Field of view approx. 26 microns wide

Zainuddin Yusoff, School of Geosciences, The University of Edinburgh, Scotland