A schistose metamorphic rock containing graphite.
Graphite Schist – National Museum
Graphite schist hi-res stock photography and images - Alamy
Metamorphic evolution of graphite in the Paleoproterozoic Savo Schist Belt (SSB), Central Finland: Constraints from geothermetric modeling - ScienceDirect
Vermiculite: Mineral information, data and localities.
File:Garnet schist (Late Cretaceous, 89-90 Ma; Garnet Ledge, about 12 km north of Wrangell, southeastern Alaska, USA) 4 (49073194342).jpg - Wikimedia Commons
Garnet-biotite gneiss: Mineral information, data and localities.
Margarite: Mineral information, data and localities.
Graphite schist hi-res stock photography and images - Alamy
Graphite: Mineral information, data and localities.
Thin-section photomicrograph of metabasic rocks and graphite gneiss
Schist: Mineral information, data and localities.
Metamorphic evolution of graphite in the Paleoproterozoic Savo Schist Belt (SSB), Central Finland: Constraints from geothermetric modeling - ScienceDirect
Sillimanite – WGNHS – UW–Madison
Graphite schist hi-res stock photography and images - Alamy