Akdalait, Kazakistan'da bulunan, 5Al2O3·H2O formülüne sahip çok nadir bir mineraldir.
Kaynakça
↑A New Occurrence and New Data on Akdalaite, a Retrograde Mineral from UHP Whiteschist, Kokchetav Massif, Northern Kazakhstan, Shyh-Lung Hwang, Pouyan Shen, Hao-Tsu Chu, Tzen-Fu Yui, International Geology Review, 48, 8, 2006, 754-764, DOI:10.2747/0020-6814.48.8.754