|
Cordierite (Under Plane Polars)
Slide: BH250-48 
|
Cordierite (Under Cross Polars)
Slide: BH250-48 
|
|
More Cordierite (Under Plane Polars)
Slide: BH250-48 
|
More Cordierite (Under Cross Polars)
Slide: BH250-48 
|