Rock Name
Preview
![image preview](https://ecommons.udayton.edu/geo_metamorphic/1002/preview.jpg)
Color
Brown, Yellow, Black
Texture
Foliated
Foliation
fissile, stacked flakes
Composition
Biotite mica-rich
Grade
High
COinS
Brown, Yellow, Black
Foliated
fissile, stacked flakes
Biotite mica-rich
High
Comments
Minerals tend to easily flake off