GRD02AOS0
M-41
Porphyroblasts
Unknown
None
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1
Ritter 154 › Cabinet 14 › Drawer O
biotite
Tremolite-biotite-muscovite schist to gneiss. Large books of biotite (porphyroblasts) in the schist. Tremolite-quartz boudins in gneiss. Original label: Hornblende-carbonate.
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Biotite amongst tremolite
5.0
plane
-
5.0
crossed
-
scan
crossed
GRD02AOT0: Large resorbed/scaly biotite crystals in tremolite. Abundant (zircon/titanite ?) inclusions in biotite. Quartz band near the bottom. (C. Eichler)
N/A
N/A