This is a piece of Biotite Gneiss. Biotite Gneiss is a metamorphic rock with more or less parallel mineral orientation. The rock measures approximately 10.5 cm x 6.5 cm x 3 cm,
- Catalog Number:
- 405616
- Object/Specimen Description:
- Specimen Count:
- 1
- Locality:
- US Northeast (NY, CT, RI, MA, VT, NH, ME)
- Collecting Locality:
- North America, United States, Massachusetts, Worcester County