Quartzite
Place Collected:Peabody River, New Hampshire
Object number: ROC122839
DescriptionFine-grained quartzite tinged orange from weathering. A coarse-grained quartz vein (≤ 5 mm thickness) cuts through the sample. Quartz grains within the vein are ≤ 6 mm long. Dark minerals are biotite and chlorite (≤ 2 mm). Chlorite may be replacing the biotite.