Magnesioriebeckite and penninite from a shear zone in Puolanka, NE Finland

Magnesioriebeckite and penninite are described from a shear zone. The chemical analyses, indexed powder diffraction data, unit cell dimensions, specific gravities and optical properties are given for these minerals. The zonality of magnesioriebeckite is described with the aid of semiquantitative ele...

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Bibliographic Details
Main Authors: K. Laajoki, P. Ojanperä
Format: Article
Language:English
Published: Geological Society of Finland 1973-12-01
Series:Bulletin of the Geological Society of Finland
Online Access:http://www.geologinenseura.fi/bulletin/Volume45/sgs_bt_045_2_pages_143_153.pdf