- PAS-130a
- Annite
- Rockport, Cape Ann, Essex Co., Massachusetts (TYPE LOCALITY)
- Small Cabinet, 6.8 x 5.4 x 4.6 cm
- Ex. Philadelphia Academy of Natural Sciences
- SOLD
According to MINDAT this is an extremely rare member of the Mica Group in the Biotite-Phlogopite Series. Regardless, its the most oddly crystallized mica I have seen. It looks more like a dark phosphate than a mica. From the TYPE LOCALITY where it was first noted in 1868!