Late-stage mineral in the border zone in magnesian contact-metamorphic rocks associated with syenites
IMA Status:
Approved IMA 1970
Locality:
Tazheran alkalic massif, west of Lake Baikal, eastern Siberia, Russia. Link to MinDat.org Location Data.
Name Origin:
Named from a Russian acronym honoring the Study of Deep Zones of the Earth�s Crust (AZOPRO in Russian) sponsored in 1969 by the International Geological Association.