Formed by reaction between Mg-rich minerals and oxalic acid secreted by incrusting lichen.
IMA Status:
Approved IMA 1987
Locality:
Mill of Johnston, six km west-southwest of Insch, Kincardineshire, and on the Island of Rhum, Inner Hebrides. Scotland. Link to MinDat.org Location Data.
Name Origin:
Named for Petr Ivanovich Glushinskii (1908- ), coal geologist, Institute of Arctic and Antarctic Geology, St. Petersburg, Russia.