GRD00TYS0
110-CH1
Chert
Paleozoic › Devonian
359.0
-
416.0
1
Ritter 154 › Cabinet 22 › Drawer C
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Small slab of cream-white chert. Original description: Novaculite.
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United States
Arkansas - Oklahoma
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Dark brown minerals and pyroxene? in cryptocrystalline quartz
10.0
plane
Dark brown minerals and pyroxene? in cryptocrystalline quartz
10.0
crossed
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scan
crossed
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scan
plane
GRD00TYT0: Small amount of sample on the slide. Cryptocrystalline quartz with trace minerals (<10%) . Dark flecks may be traces of altered Fe-minerals. A minor amount of pyroxene? grains. (C. Eichler)
N/A
N/A