- MD-21673
- Groutite
- Robert Mine (Roberts Mine; Kennedy Mine), Cuyuna Range, Crow Wing Co., Minnesota, USA
- Thumbnail, 2.5 x 2.0 x 1.8 cm
- SOLD
SUPERB CRYSTALS for the species from a remote but important locality for the reason that it produces such good groutites! These lustrous, bladed crystals reach to 4 mm in size. 2.5 x 2 x 1.8 cm