A nice specimen of a radiating aggregate of purple dumortierite growing in a vein cutting almost perpendicularly through shale.
The dumortierite fibers are up to 14 mm long.
Czech Republic, Localities, Medium, Mineral Classification, Silicates, Size
Dumortierite
€28
Availability: In stock
Location: Psáry near Jílové; Czech Republic
Dimension: 34 × 37 × 56 mm
Weight: 101 g
