7hlkmis ((ANTIGORITE variety PICROLITE)), $15 MINIMUM BID, Cedar Hill Quarry, Lancaster County, Pennsylvania, 22 x 13 x 2 cm, Large Cabinet, | |
Here is a large slab of green Picrolite, a magnesium silicate of the Serpentine group and variety of Antigorite. The best specimens may well come from the Cedar Hill Quarry. |