7hlkmr ((EASTONITE)), $10 MINIMUM BID, C K Williams & Co. Quarry, Chestnut Hill, Easton, Northampton county, Pennsylvania, 8 x 6 x 5 cm, Cabinet | |
A green phyllosilicate. On the back of the specimen is a thin rind of brownish Phlogopite. In the 1950's this quarry was purchased by mineralogist Arthur Montgomery and in 1953 given to Lafayette College in Easton to preseve this unique mineralogical site. ref www.mindat.org |