GRD01XKS0
M-47
Schist
Precambrian › Proterozoic
542.0
-
2500.0
1
Ritter 154 › Cabinet 14 › Drawer D
coarse-grained
Small sample of amphibole-purple tremolite (?) schist. Poorly foliated and generally coarse-grained. Original description: fuchsite-bearing quartz-mica schist.
-
-
Utah
Salt Lake City
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Bands of hexagonal crystals
2.5
plane
Bands of hexagonal brown crystals (amphibole?)
2.5
crossed
Amphibole (?) crystal with symmetry
40.0
plane
Amphibole
5.0
plane
Amphibole
5.0
crossed
-
scan
crossed
GRD01XKT0: 95% pink/purple tremolite. Very birefringent. Bands of brown hexagonal crystals in fibrous matrix. Minor amount of brown mica (biotite?). (C. Eichler)
N/A
N/A