Thin MUSCOVITE - ALUMINIUM GLIMMER crystals .
MUSKOVIT crystallizes in the HEXAGONAL crystal system. Crystals with complete end faces are very rare due to the thin-leaf structure.
This piece has grown end faces on at least one side.
Fig. 4 Rear view with the old original lettering, which is difficult to read.
From the former mica mine in St. Leonhard on the SAUALPE.
Weight: 40 g Dimensions: 5.5 x 5.5 x 3 cm