Garnet with sulphide inclusions in a Precambrian biotite gneiss from the Alutaguse zone, East Estonia.
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Garnet with sulphide inclusions in a Precambrian biotite gneiss from the Alutaguse zone, East Estonia.

by Sophie Graul, Tallinn University of Technology, Tallinn, Estonia and France

Garnet with sulphide inclusions in a Precambrian biotite gneiss from the Alutaguse zone, East Estonia.
Other minerals include sphalerite and graphite.