This specimen is rich in scattered crystals of cymrite frozen in
phlogopite/calcite
matrix. Cymrite is believed to be an alteration species derived from the decay
of barium bearing feldspars such a
celsian.
This specimen has a 1 mm wide vein of cymrite and scattered crystals frozen in
phlogopite/calcite
matrix.
Origin: Långban, Sweden
Harry von Eckermann Collection
Sample size: 6.5 x 5 x 3 cm (top), 5.2 x 3 x 2.1 cm (bottom)
Photo courtesy of:
