11hlkmis ((BRUCITE, HYDROMAGNESITE)), $10 MINIMUM BID, Cedar Hill Quarry, Lancaster County, Pennsylvania, 13 x 12 x 3 cm, Cabinet | |
This one was hard to photo. A third of the specimen is foliated mica like lustrous Brucite. The top of the Brucite shows a large pseudo hexagonal crystal. The rest of the white is hydromagnesite. |